tests whether the argument is not a variable. ...
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See also
atom/1
atomic/1
compound/1
float/1
integer/1
nonvar/1
number/1
var/1
IF Computer > MINERVA > Manual > Reference > Predicates > Type testing > nonvar/1

nonvar/1

tests whether the argument is not a variable.

nonvar(+Term)

nonvar/1 succeeds if Term is not a variable otherwise it fails.

Arguments 

Term                   term

Examples

nonvar('this is an atom'). Succeeds.
nonvar([l,i,s,t]). Succeeds.
nonvar(Variable). Fails.
nonvar(_27). Fails.

Standard

This predicate is part of the ISO-Prolog Standard.

See also

atom/1, atomic/1, compound/1, float/1, integer/1, number/1, var/1.

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document: http://www.ifcomputer.co.jp/MINERVA/Manual/Reference/Predicates/type_test/nonvar/home_en.html
published 2008/7/7 update 1997/6/22 (c) 1996-2006 IF Computer Japan
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