Jan 31, 2015 · The way I memorize it is through the following logical rule: \+ = 'if unsure or false, assume false' This is different from standard boolean logic in that if your goal is uncertain …

Jan 25, 2021 · Part of the brilliant genius of prolog , in my opinion , is that every op IS a funktor (predicate) . In fact , every element of your source becomes a predicate . In this way it can be …

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 …

Jul 14, 2012 · A \= B is equivalent to not (A = B). So lets compare =/2 and ==/2 first; from the swi-prolog manual:?Term1 = ?Term2

May 16, 2019 · And it's very essential for you to understand that what is the facts and rulse and differents between together in prolog language programing. In Prolog, "if" is implied by using :- …

Nov 22, 2012 · 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 …

Jun 2, 2018 · Not sure if that's worth it! I mean, especially if the preconditions become slightly more complex, this may get messy. As for backtracking: for this version (SWI-)prolog does not …

Oct 1, 2013 · Prolog's use of functors to express facts (and rules) makes it a fairly slick and powerful metaprogramming environment. Prolog has a special built-in predicate (operator =.. ) …

Jan 24, 2014 · However, using @</2 you can compare lots of different types of objects in prolog. The comparison evaluation follows the rules described in the link that @Ankur gave. To …

Jul 31, 2020 · Documentation for the second variant pointed out by Kaarel can be found in this Visual Prolog reference page. However the problem with your code goes a little deeper. You …