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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../inform7n.html" > Inform7< / a > < / li > < li > < a href = "index.html" > if< / a > < / li > < li > < a href = "index.html#3" > Chapter 3: Space and Time< / a > < / li > < li > < b > Everywhere, Nowhere and Here< / b > < / li > < / ul > < / div >
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< p class = "purpose" > To define the unary predicates for some anaphoric location adjectives.< / p >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > We extend the predicate calculus with three unary predicates corresponding
to the English words "everywhere", "nowhere" and "here". Each one of these
is the singleton member of its own predicate family.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > everywhere_up_family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > nowhere_up_family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > here_up_family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > everywhere_up< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > nowhere_up< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > here_up< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::start< / span > < button class = "popup" onclick = "togglePopup('usagePopup1')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup1" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::start< / span > < / span > :< br / > IF Module - < a href = "1-im.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > everywhere_up_family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > UnaryPredicateFamilies::new< / span > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > everywhere_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > STOCK_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP4" class = "function-link" > < span class = "function-syntax" > WherePredicates::stock_everywhere< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > everywhere_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > LOG_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP10" class = "function-link" > < span class = "function-syntax" > WherePredicates::log_everywhere< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > everywhere_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > TYPECHECK_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP5" class = "function-link" > < span class = "function-syntax" > WherePredicates::typecheck_everywhere< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > everywhere_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ASSERT_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP7" class = "function-link" > < span class = "function-syntax" > WherePredicates::assert_everywhere< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > everywhere_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > SCHEMA_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > RTSpatial::schema_everywhere< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > nowhere_up_family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > UnaryPredicateFamilies::new< / span > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > nowhere_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > STOCK_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP4" class = "function-link" > < span class = "function-syntax" > WherePredicates::stock_nowhere< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > nowhere_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > LOG_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP10" class = "function-link" > < span class = "function-syntax" > WherePredicates::log_nowhere< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > nowhere_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > TYPECHECK_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP5" class = "function-link" > < span class = "function-syntax" > WherePredicates::typecheck_nowhere< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > nowhere_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ASSERT_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP8" class = "function-link" > < span class = "function-syntax" > WherePredicates::assert_nowhere< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > nowhere_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > SCHEMA_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > RTSpatial::schema_nowhere< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > here_up_family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > UnaryPredicateFamilies::new< / span > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > here_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > STOCK_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP4" class = "function-link" > < span class = "function-syntax" > WherePredicates::stock_here< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > here_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > LOG_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP10" class = "function-link" > < span class = "function-syntax" > WherePredicates::log_here< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > here_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > TYPECHECK_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP6" class = "function-link" > < span class = "function-syntax" > WherePredicates::typecheck_here< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > here_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ASSERT_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "3-enah.html#SP9" class = "function-link" > < span class = "function-syntax" > WherePredicates::assert_here< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > here_up_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > SCHEMA_UPF_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > RTSpatial::schema_here< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > And here are corresponding propositions, \(here(x)\) and so on.
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > WherePredicates::everywhere_up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pcalc_term< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Atoms::unary_PREDICATE_new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > everywhere_up< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > WherePredicates::nowhere_up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pcalc_term< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Atoms::unary_PREDICATE_new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > nowhere_up< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > WherePredicates::here_up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pcalc_term< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Atoms::unary_PREDICATE_new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > here_up< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > t< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > These are automatically created, not defined in source text:
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::stock_everywhere< / span > < button class = "popup" onclick = "togglePopup('usagePopup2')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup2" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::stock_everywhere< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > everywhere_up< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > UnaryPredicates::new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > everywhere_up_family< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::stock_nowhere< / span > < button class = "popup" onclick = "togglePopup('usagePopup3')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup3" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::stock_nowhere< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > nowhere_up< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > UnaryPredicates::new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > nowhere_up_family< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::stock_here< / span > < button class = "popup" onclick = "togglePopup('usagePopup4')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup4" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::stock_here< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > here_up< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > UnaryPredicates::new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > here_up_family< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > Typechecking is a matter of verifying that these apply only to objects,
and generating better problem messages than the normal machinery would if not:
< / p >
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2021-02-25 02:15:09 +02:00
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::typecheck_everywhere< / span > < button class = "popup" onclick = "togglePopup('usagePopup5')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup5" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::typecheck_everywhere< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > up< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > variable_type_assignment< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > vta< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tc_problem_kit< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TypecheckPropositions::kind_of_term< / span > < span class = "plain-syntax" > (& (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > terms< / span > < span class = "plain-syntax" > [0]), < / span > < span class = "identifier-syntax" > vta< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Kinds::compatible< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_object< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > NEVER_MATCH< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > log_to_I6_text< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "Term $0 is %u not an object\n"< / span > < span class = "plain-syntax" > , & (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > terms< / span > < span class = "plain-syntax" > [0]), < / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_kind< / span > < span class = "plain-syntax" > (4, < / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::tcp_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_EverywhereMisapplied< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "that seems to say that a value - specifically, %4 - is everywhere. "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "To Inform, everywhere means 'in every room', and only objects "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "can be everywhere - in fact not even all of those, as it's a "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "privilege reserved for backdrops. (For instance, 'The sky is a "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "backdrop. The sky is everywhere.' is allowed.)"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NEVER_MATCH< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ALWAYS_MATCH< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::typecheck_nowhere< / span > < button class = "popup" onclick = "togglePopup('usagePopup6')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup6" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::typecheck_nowhere< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > up< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > variable_type_assignment< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > vta< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tc_problem_kit< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TypecheckPropositions::kind_of_term< / span > < span class = "plain-syntax" > (& (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > terms< / span > < span class = "plain-syntax" > [0]), < / span > < span class = "identifier-syntax" > vta< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Kinds::compatible< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_object< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > NEVER_MATCH< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > log_to_I6_text< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "Term $0 is %u not an object\n"< / span > < span class = "plain-syntax" > , & (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > terms< / span > < span class = "plain-syntax" > [0]), < / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_kind< / span > < span class = "plain-syntax" > (4, < / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::tcp_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_NowhereMisapplied< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "that seems to say that a value - specifically, %4 - is nowhere. "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "To Inform, nowhere means 'in no room', and only things can be "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "nowhere. (For instance, 'Godot is nowhere.' is allowed - it means "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "Godot exists, but is not initially part of the drama.)"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NEVER_MATCH< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ALWAYS_MATCH< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > It seems to be true that Inform never generates propositions which
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apply "here" incorrectly, but just in case:
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::typecheck_here< / span > < button class = "popup" onclick = "togglePopup('usagePopup7')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup7" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::typecheck_here< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > up< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > variable_type_assignment< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > vta< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tc_problem_kit< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TypecheckPropositions::kind_of_term< / span > < span class = "plain-syntax" > (& (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > terms< / span > < span class = "plain-syntax" > [0]), < / span > < span class = "identifier-syntax" > vta< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Kinds::compatible< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_object< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > NEVER_MATCH< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > log_to_I6_text< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "Term $0 is %u not an object\n"< / span > < span class = "plain-syntax" > , & (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > terms< / span > < span class = "plain-syntax" > [0]), < / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_kind< / span > < span class = "plain-syntax" > (4, < / span > < span class = "identifier-syntax" > actually_find< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::tcp_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > BelievedImpossible< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "that seems to say that a value - specifically, %4 - is here. "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "To Inform, here means 'in the room we're talking about', so only "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "objects can be 'here'."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NEVER_MATCH< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ALWAYS_MATCH< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. < / b > "Everywhere" in an assertion would say that something is found in every room,
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and for that we have to ask the Backdrops feature to handle it.
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::assert_everywhere< / span > < button class = "popup" onclick = "togglePopup('usagePopup8')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup8" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::assert_everywhere< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > up< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > now_negated< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > ) {< / span >
2020-08-24 13:21:17 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > now_negated< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (),< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_CantAssertNegatedEverywhere< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "that seems to say that something isn't everywhere"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "which is too vague. You must say where it is."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2021-02-09 23:27:52 +02:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Assert::subject_of_term< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > terms< / span > < span class = "plain-syntax" > [0]);< / span >
2021-02-12 15:33:19 +02:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ox< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InstanceSubjects::to_object_instance< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > );< / span >
2021-06-22 01:37:27 +03:00
< span class = "plain-syntax" > < / span > < a href = "3-bck.html#SP15" class = "function-link" > < span class = "function-syntax" > Backdrops::infer_presence_everywhere< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ox< / span > < span class = "plain-syntax" > );< / span >
2020-08-24 13:21:17 +03:00
< span class = "plain-syntax" > }< / span >
< / pre >
2021-02-25 02:15:09 +02:00
< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > What is nowhere is not necessarily useless: it is probably something which
is out of play at the start of the narrative, but will appear later. So it
is meaningful to assert that something is nowhere.
2020-08-24 13:21:17 +03:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
2020-08-29 11:33:21 +03:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::assert_nowhere< / span > < button class = "popup" onclick = "togglePopup('usagePopup9')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup9" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::assert_nowhere< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > up< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > now_negated< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > ) {< / span >
2021-02-09 23:27:52 +02:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Assert::subject_of_term< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > terms< / span > < span class = "plain-syntax" > [0]);< / span >
2021-02-12 15:33:19 +02:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ox< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InstanceSubjects::to_object_instance< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > );< / span >
2020-08-24 13:21:17 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > now_negated< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > BelievedImpossible< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "that seems to say that something isn't nowhere"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "which is too vague. You must say where it is."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ox< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > BelievedImpossible< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "that seems to say that something generic is 'nowhere'"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "which suggests it could some day have a physical location."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2021-02-25 02:15:09 +02:00
< span class = "plain-syntax" > < / span > < a href = "3-sm.html#SP25" class = "function-link" > < span class = "function-syntax" > Spatial::infer_presence_nowhere< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ox< / span > < span class = "plain-syntax" > );< / span >
2020-08-24 13:21:17 +03:00
< span class = "plain-syntax" > }< / span >
< / pre >
2021-02-25 02:15:09 +02:00
< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. < / b > "Here" means "in the current room", which is tricky on two counts: we need
to know what the current topic of conversation is, an anaphora, and also we
might not yet know what is and is not a room. So we record a special inference
and put the issue aside for now.
2020-08-24 13:21:17 +03:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
2020-08-29 11:33:21 +03:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::assert_here< / span > < button class = "popup" onclick = "togglePopup('usagePopup10')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup10" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::assert_here< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > up< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > now_negated< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > ) {< / span >
2021-02-09 23:27:52 +02:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Assert::subject_of_term< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > terms< / span > < span class = "plain-syntax" > [0]);< / span >
2021-02-12 15:33:19 +02:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ox< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InstanceSubjects::to_object_instance< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > );< / span >
2020-08-24 13:21:17 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > now_negated< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > BelievedImpossible< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "that seems to say that something isn't here"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "which is too vague. You must say where it is."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ox< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_NonInstanceHere< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "that seems to say that something generic is 'here'"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "which would give it a physical location. (It would be like saying "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "'A number is here' - well, numbers are everywhere and nowhere.)"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2021-02-25 02:15:09 +02:00
< span class = "plain-syntax" > < / span > < a href = "3-sm.html#SP24" class = "function-link" > < span class = "function-syntax" > Spatial::infer_presence_here< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ox< / span > < span class = "plain-syntax" > );< / span >
2020-08-24 13:21:17 +03:00
< span class = "plain-syntax" > }< / span >
< / pre >
2021-02-25 02:15:09 +02:00
< p class = "commentary firstcommentary" > < a id = "SP10" class = "paragraph-anchor" > < / a > < b > § 10. < / b > < / p >
2020-08-24 13:21:17 +03:00
< pre class = "displayed-code all-displayed-code code-font" >
2021-02-25 02:15:09 +02:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::log_everywhere< / span > < button class = "popup" onclick = "togglePopup('usagePopup11')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup11" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::log_everywhere< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > up< / span > < span class = "plain-syntax" > ) {< / span >
2020-08-24 13:21:17 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "everywhere"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
2021-02-25 02:15:09 +02:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::log_nowhere< / span > < button class = "popup" onclick = "togglePopup('usagePopup12')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup12" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::log_nowhere< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > up< / span > < span class = "plain-syntax" > ) {< / span >
2020-08-24 13:21:17 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "nowhere"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
2021-02-25 02:15:09 +02:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > WherePredicates::log_here< / span > < button class = "popup" onclick = "togglePopup('usagePopup13')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup13" > Usage of < span class = "code-font" > < span class = "function-syntax" > WherePredicates::log_here< / span > < / span > :< br / > < a href = "3-enah.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > up_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > self< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > unary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > up< / span > < span class = "plain-syntax" > ) {< / span >
2020-08-24 13:21:17 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "here"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< nav role = "progress" > < div class = "progresscontainer" >
2022-09-12 01:33:38 +03:00
< ul class = "progressbar" > < li class = "progressprev" > < a href = "3-sm.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-im.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-bd.html" > 2< / a > < / li > < li class = "progresscurrentchapter" > 3< / li > < li class = "progresssection" > < a href = "3-sm.html" > sm< / a > < / li > < li class = "progresscurrent" > enah< / li > < li class = "progresssection" > < a href = "3-sr.html" > sr< / a > < / li > < li class = "progresssection" > < a href = "3-si.html" > si< / a > < / li > < li class = "progresssection" > < a href = "3-prs.html" > prs< / a > < / li > < li class = "progresssection" > < a href = "3-tp.html" > tp< / a > < / li > < li class = "progresssection" > < a href = "3-dvc.html" > dvc< / a > < / li > < li class = "progresssection" > < a href = "3-bck.html" > bck< / a > < / li > < li class = "progresssection" > < a href = "3-rgn.html" > rgn< / a > < / li > < li class = "progresssection" > < a href = "3-tm.html" > tm< / a > < / li > < li class = "progresssection" > < a href = "3-mcr.html" > mcr< / a > < / li > < li class = "progresssection" > < a href = "3-tr.html" > tr< / a > < / li > < li class = "progresssection" > < a href = "3-scn.html" > scn< / a > < / li > < li class = "progresssection" > < a href = "3-ts.html" > ts< / a > < / li > < li class = "progresssection" > < a href = "3-mhr.html" > mhr< / a > < / li > < li class = "progresschapter" > < a href = "4-ap.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-pp.html" > 5< / a > < / li > < li class = "progresschapter" > < a href = "6-dlg.html" > 6< / a > < / li > < li class = "progressnext" > < a href = "3-sr.html" > ❯ < / a > < / li > < / ul > < / div >
2020-08-24 13:21:17 +03:00
< / nav > <!-- End of weave -->
< / main >
< / body >
< / html >