for/3 /MINERVA/Manual/Reference/Predicates/arithm

generates an ordered sequence of numbers....

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for/3

generates an ordered sequence of numbers.

for(+Start, ?Counter, +End)

for/3 generates an ascending ordered sequence of integers with starting value Start and ending value End, where the step between two numbers is 1. If End is less than Start then the predicate fails.

Arguments

Start                  integer
Counter                integer
End                    integer

Examples

% occurs_in(+Arg, +Term)
% check if Term occurs in Term
occurs_in(Arg, Term) :-
	Arg == Term, !.
occurs_in(Arg, Term) :-
	compound(Term), !,
	functor(Term, _, Arity),
	for(1, I, Arity),
	arg(I, Term, SubTerm),
	occurs_in(Arg, SubTerm), !.

Standard

This predicate is not part of the ISO-Prolog Standard.

for/3

for(+Start, ?Counter, +End)

Arguments

Examples

Standard

See also