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<!-- Weave of 'Same Property Relation' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Inform7 Modules< / a > < / li > < li > < a href = "index.html" > core< / a > < / li > < li > < a href = "index.html#15" > Chapter 15: Properties< / a > < / li > < li > < b > Same Property Relation< / b > < / li > < / ul > < / div >
< p class = "purpose" > Each value property has an associated relation to compare its value between two holders.< / p >
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< ul class = "toc" > < li > < a href = "15-spr.html#SP1" > § 1. Initial stock< / a > < / li > < li > < a href = "15-spr.html#SP2" > § 2. Second stock< / a > < / li > < li > < a href = "15-spr.html#SP3" > § 3. Typechecking< / a > < / li > < li > < a href = "15-spr.html#SP4" > § 4. Assertion< / a > < / li > < li > < a href = "15-spr.html#SP5" > § 5. Compilation< / a > < / li > < li > < a href = "15-spr.html#SP7" > § 7. Problem message text< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" > < / a > < b > § 1. Initial stock. < / b > There is no initial stock of these, since there are no value properties yet
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when Inform starts up.
< / 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" > Properties::SameRelations::REL_create_initial_stock< / 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" > Properties::SameRelations::REL_create_initial_stock< / span > < / span > :< br / > Binary Predicates - < a href = "7-bp.html#SP44" > § 44< / 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 >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2" > < / a > < b > § 2. Second stock. < / b > If, for example, there is a value property called "height" then a BP is
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constructed in order to serve as the meaning of "the same height as" in text
like this:
< / p >
< blockquote >
< p > if Ms Cregg is the same height as Big Bird, ...< / p >
< / blockquote >
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< p class = "commentary" > We again have two schemas, because it makes sense not only to perform
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the comparison but also to force it true thus:
< / p >
< blockquote >
< p > now Ms Cregg is the same height as Big Bird;< / p >
< / blockquote >
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< p class = "commentary" > (That couldn't be arranged for strict inequality comparisons like "taller
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than" because it is unclear just how much taller than Big Bird we would have
to make C. J.)
< / 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" > Properties::SameRelations::REL_create_second_stock< / 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" > Properties::SameRelations::REL_create_second_stock< / span > < / span > :< br / > Binary Predicates - < a href = "7-bp.html#SP45" > § 45< / 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 = "reserved-syntax" > property< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prn< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prn< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > property< / 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 > < a href = "15-pr.html#SP15" class = "function-link" > < span class = "function-syntax" > Properties::is_value_property< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prn< / span > < span class = "plain-syntax" > )) & & (< / span > < span class = "identifier-syntax" > Wordings::nonempty< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / span > < span class = "plain-syntax" > ))) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > vocabulary_entry< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rel_name< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > i6_pname< / span > < span class = "plain-syntax" > = < / span > < a href = "15-pr.html#SP26" class = "function-link" > < span class = "function-syntax" > Properties::iname< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prn< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "15-spr.html#SP2_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Work out the name for the same-property-value-as relation< / span > < span class = "named-paragraph-number" > 2.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > relname< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > relname< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "%V"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > rel_name< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > binary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > bp< / span > < span class = "plain-syntax" > = < / span > < a href = "7-bp.html#SP27" class = "function-link" > < span class = "function-syntax" > BinaryPredicates::make_pair< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > PROPERTY_SAME_KBP< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < a href = "7-bp.html#SP17" class = "function-link" > < span class = "function-syntax" > BinaryPredicates::new_term< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ), < / span > < a href = "7-bp.html#SP17" class = "function-link" > < span class = "function-syntax" > BinaryPredicates::new_term< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ),< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > relname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < a href = "12-is.html#SP3" class = "function-link" > < span class = "function-syntax" > Calculus::Schemas::new< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "*1.%n = *2.%n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i6_pname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i6_pname< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < a href = "12-is.html#SP3" class = "function-link" > < span class = "function-syntax" > Calculus::Schemas::new< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "*1.%n == *2.%n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i6_pname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i6_pname< / span > < span class = "plain-syntax" > ),< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WordAssemblages::lit_1< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rel_name< / span > < span class = "plain-syntax" > ));< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > relname< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > bp< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > same_property< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > prn< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "15-spr.html#SP2" class = "function-link" > < span class = "function-syntax" > Properties::SameRelations::register_same_property_as< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > bp< / span > < span class = "plain-syntax" > , < / span > < a href = "15-pr.html#SP6" class = "function-link" > < span class = "function-syntax" > Properties::get_name< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prn< / span > < span class = "plain-syntax" > ));< / span >
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< span class = "plain-syntax" > }< / 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" > Properties::SameRelations::register_same_property_as< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > binary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > root< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / 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" > Wordings::empty< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > verb_meaning< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > vm< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > VerbMeanings::regular< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > root< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > preposition< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prep< / span > < span class = "plain-syntax" > =< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Prepositions::make< / span > < span class = "plain-syntax" > (< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PreformUtilities::merge< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < same-property-as-construction> < / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WordAssemblages::from_wording< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )), < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Verbs::add_form< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > copular_verb< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > prep< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > vm< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > SVO_FS_BIT< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2_1" > < / a > < b > § 2.1. < / b > In I7 source text, this relation is called "same-height-as", but we don't
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mention this in the documentation because (for timing reasons) it doesn't
exist when the new-verb sentences are being parsed: so writing
< / p >
< blockquote >
< p > The verb to be level with implies the same-height-as relation.< / p >
< / blockquote >
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< p class = "commentary" > cannot work. Nothing is really lost by this, since it's easy enough to
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define an identically-behaving relation by hand:
< / p >
< blockquote >
< p > Levelling relates a person (called Mr X) to a person (called Mr Y) when the height of Mr X is the height of Mr Y.< / p >
< / blockquote >
< blockquote >
< p > The verb to be level with implies the levelling relation.< / p >
< / blockquote >
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< p class = "commentary" > Relations need to have single-word names, but properties don't, so we shrink
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spaces to hyphens: thus, for instance, "same-carrying-capacity-as". We also
truncate to a reasonable length, ensuring that the result doesn't exceed
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< span class = "extract" > < span class = "extract-syntax" > MAX_WORD_LENGTH< / span > < / span > or overflow our storage for a debugging-log name.
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< / p >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Work out the name for the same-property-value-as relation< / span > < span class = "named-paragraph-number" > 2.1< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i7_name< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i7_name< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "same-%< W-as"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > prn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_THROUGH_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pos< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i7_name< / 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" > Str::get< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pos< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > ' '< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > Str::put< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pos< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > '-'< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > I7W< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Feeds::feed_text_expanding_strings< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i7_name< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rel_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Lexer::word< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Wordings::first_wn< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I7W< / span > < span class = "plain-syntax" > ));< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i7_name< / span > < span class = "plain-syntax" > )< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "15-spr.html#SP2" > § 2< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP3" > < / a > < b > § 3. Typechecking. < / b > We just let the standard machinery do its work.
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< / p >
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< 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" > Properties::SameRelations::REL_typecheck< / 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" > Properties::SameRelations::REL_typecheck< / span > < / span > :< br / > Binary Predicates - < a href = "7-bp.html#SP46" > § 46< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > binary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > bp< / 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" > kinds_of_terms< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > **< / span > < span class = "identifier-syntax" > kinds_required< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > tc_problem_kit< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tck< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > DECLINE_TO_MATCH< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP4" > < / a > < b > § 4. Assertion. < / b > < / 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" > Properties::SameRelations::REL_assert< / 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" > Properties::SameRelations::REL_assert< / span > < / span > :< br / > Binary Predicates - < a href = "7-bp.html#SP46" > § 46< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > binary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > bp< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > infs0< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > spec0< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > infs1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > spec1< / 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" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP5" > < / a > < b > § 5. Compilation. < / b > Again we need do nothing special.
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< / p >
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< 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" > Properties::SameRelations::REL_compile< / 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" > Properties::SameRelations::REL_compile< / span > < / span > :< br / > Binary Predicates - < a href = "7-bp.html#SP46" > § 46< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > task< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > binary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > bp< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > annotated_i6_schema< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > asch< / 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" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP6" > < / a > < b > § 6. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > property< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Properties::SameRelations::bp_get_same_as_property< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > binary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > bp< / 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" > bp< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > same_property< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP7" > < / a > < b > § 7. Problem message text. < / b > < / p >
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< 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" > Properties::SameRelations::REL_describe_for_problems< / 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" > Properties::SameRelations::REL_describe_for_problems< / span > < / span > :< br / > Binary Predicates - < a href = "7-bp.html#SP46" > § 46< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > binary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > bp< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "15-cr.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-cm.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-up.html" > 2< / a > < / li > < li class = "progresschapter" > < a href = "3-bv.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-dlr.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-rpt.html" > 5< / a > < / li > < li class = "progresschapter" > < a href = "6-lp.html" > 6< / a > < / li > < li class = "progresschapter" > < a href = "7-up.html" > 7< / a > < / li > < li class = "progresschapter" > < a href = "8-ptu.html" > 8< / a > < / li > < li class = "progresschapter" > < a href = "9-ef.html" > 9< / a > < / li > < li class = "progresschapter" > < a href = "10-its.html" > 10< / a > < / li > < li class = "progresschapter" > < a href = "11-itpc.html" > 11< / a > < / li > < li class = "progresschapter" > < a href = "12-ter.html" > 12< / a > < / li > < li class = "progresschapter" > < a href = "13-kak.html" > 13< / a > < / li > < li class = "progresschapter" > < a href = "14-sp.html" > 14< / a > < / li > < li class = "progresscurrentchapter" > 15< / li > < li class = "progresssection" > < a href = "15-pr.html" > pr< / a > < / li > < li class = "progresssection" > < a href = "15-ep.html" > ep< / a > < / li > < li class = "progresssection" > < a href = "15-vp.html" > vp< / a > < / li > < li class = "progresssection" > < a href = "15-ps.html" > ps< / a > < / li > < li class = "progresssection" > < a href = "15-cp.html" > cp< / a > < / li > < li class = "progresssection" > < a href = "15-ia.html" > ia< / a > < / li > < li class = "progresssection" > < a href = "15-tpr.html" > tpr< / a > < / li > < li class = "progresssection" > < a href = "15-ma.html" > ma< / a > < / li > < li class = "progresssection" > < a href = "15-cr.html" > cr< / a > < / li > < li class = "progresscurrent" > spr< / li > < li class = "progresssection" > < a href = "15-spr2.html" > spr2< / a > < / li > < li class = "progresssection" > < a href = "15-pov.html" > pov< / a > < / li > < li class = "progresssection" > < a href = "15-epv.html" > epv< / a > < / li > < li class = "progresschapter" > < a href = "16-is.html" > 16< / a > < / li > < li class = "progresschapter" > < a href = "17-tl.html" > 17< / a > < / li > < li class = "progresschapter" > < a href = "18-lc.html" > 18< / a > < / li > < li class = "progresschapter" > < a href = "19-tc.html" > 19< / a > < / li > < li class = "progresschapter" > < a href = "20-eq.html" > 20< / a > < / li > < li class = "progresschapter" > < a href = "21-rl.html" > 21< / a > < / li > < li class = "progresschapter" > < a href = "22-itp.html" > 22< / a > < / li > < li class = "progresschapter" > < a href = "23-ad.html" > 23< / a > < / li > < li class = "progresschapter" > < a href = "24-lv.html" > 24< / a > < / li > < li class = "progresschapter" > < a href = "25-in.html" > 25< / a > < / li > < li class = "progresschapter" > < a href = "26-fc.html" > 26< / a > < / li > < li class = "progresschapter" > < a href = "27-hr.html" > 27< / a > < / li > < li class = "progressnext" > < a href = "15-spr2.html" > ❯ < / a > < / li > < / ul > < / div >
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< / nav > <!-- End of weave -->
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< / main >
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< / body >
< / html >