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inform7/services/calculus-module/Figures/validity.txt
2020-08-24 00:22:48 +01:00

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'new unary even': ok
'new binary sees (none, none)': ok
'<< >> is syntactically valid': true
'<< even (x) >> is syntactically valid': true
'<< kind = number (x) ^ even (x) >> is syntactically valid': true
'<< sees (4, 10) >> is syntactically valid': true
'<< (4 == 10) >> is syntactically valid': true
'<< (x == 10) >> is syntactically valid': true
'<< (10 == x) >> is syntactically valid': true
'<< (y == x) >> is syntactically valid': true
'<< NOT< kind = number (x) ^ even (x) NOT> >> is syntactically valid': true
'<< Exists x: even (x) >> is syntactically valid': true
'<< NOT> >> is syntactically valid': false - too many close groups
'<< Exists x >> is syntactically valid': true
'<< ForAll x >> is syntactically valid': false - nonexistential quantifier without domain
'<< ForAll x IN< kind = number (x) IN>: even (x) >> is syntactically valid': true
'<< NOT< ^ NOT> ^ NOT> ^ NOT< ^ even (x) >> is syntactically valid': false - too many close groups
'<< NOT< ^ NOT< ^ even (x) >> is syntactically valid': false - 2 group(s) open
'<< NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ NOT< ^ even (x) >> is syntactically valid': false - group nesting too deep