Jan 31, 2015 · What does \+ mean in Prolog? Asked 15 years, 7 months ago Modified 7 years, 2 months ago Viewed 61k times

Jan 25, 2021 · There are some special operators in Prolog, one of them is is, however, recently I came across the =:= operator and have no idea how it works. Can someone explain what this …

May 25, 2015 · Prolog documentation. \= means the two terms cannot be unified, i.e. that unification fails. As with all applications of negation as failure, "not unified" does not (and …

Jul 14, 2012 · Not equal and not unify in Prolog Asked 12 years, 10 months ago Modified 9 years, 6 months ago Viewed 45k times

Jun 2, 2018 · I've read about it in a book but it wasn't explained at all. I also never saw it in a program. Is part of Prolog syntax? What's it for? Do you use it?

Nov 22, 2012 · 30 I'm working on some prolog that I'm new to. I'm looking for an "or" operator registered(X, Y), Y=ct101, Y=ct102, Y=ct103. Here's my query. What I want to write is code …

May 16, 2019 · Is there a way to do an if in prolog, e.g. if a variable is 0, then to do some actions (write text to the terminal). An else isn't even needed, but I can't find any documentation of if.

Oct 1, 2013 · The rules for Prolog functor names (identifiers) are the same as for Prolog atoms Functors are syntactic units that have a finite number of arguments ("arity"), and if a functor is …

Dec 8, 2011 · Prolog has a unique way of handling things, especially since practically every operation involves recursion of one sort or another. One of the classic examples every …

Dec 16, 2011 · In Prolog, the "not" is an example of "negation as failure", but it is felt that \+ will make it clearer to the programmer just what precisely is being asserted in any given rule. So …