Revision as of 18:12, 26 April 2021 (view source) rosettacode>Lscrd (→‎{{header\|Nim}}) ← Older edit		Revision as of 13:38, 1 June 2021 (view source) rosettacode>Jarble m (→‎{{header\|Prolog}}: typo) Newer edit →
Line 1,124: =={{header\|Prolog}}== Prolog has two predicates to know if a variable is ~~instancied~~instantiated or not : '''var/1''' and '''nonvar/1''' <br> <pre>?- var(Y). true.

Undefined values: Difference between revisions

Undefined values (view source)