Nov 10, 2009 · What does \+ mean in Prolog? Ask Question Asked 16 years, 5 months ago Modified 8 years ago

May 25, 2015 · The = "operator" in Prolog is actually a predicate (with infix notation) =/2 that succeeds when the two terms are unified. Thus X = 2 or 2 = X amount to the same thing, a goal to unify X with …

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 operator …

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 you CAN use "not" (most PL …

Nov 22, 2012 · Prolog "or" operator, query Asked 13 years, 5 months ago Modified 12 years, 11 months ago Viewed 158k times

May 17, 2010 · 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.

Feb 26, 2013 · What are the names of the algorithms and concepts used in Prolog? Logic programming Depth-first, backtracking search Unification See Sterling & Shapiro, The Art of Prolog (MIT Press) for …

Dec 13, 2020 · How can an SWL-Prolog terminal be added in VSCode? Like PowerShell but SWI-Prolog terminal.

Oct 12, 2015 · I'd appreciate it if someone could elaborate on the difference between the is keyword and the = operator in prolog. I saw this discussion in == and =, but it excludes is. The documentation …

Dec 3, 2017 · Prolog is a bit unique as a programming language: it is declarative, has builtin backtracking, predicates work multidirectional, and the mix of all these features tends to be hard to …