
What does \\+ mean in Prolog? - Stack Overflow
Nov 10, 2009 · What does \+ mean in Prolog? Asked 16 years, 3 months ago Modified 7 years, 10 months ago Viewed 62k times
math - Prolog =:= operator - Stack Overflow
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 …
What is the difference between == and = in Prolog?
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 …
What is the logical 'not' in Prolog? - Stack Overflow
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 …
list - What is "!" in Prolog - Stack Overflow
Specifically, Prolog will never consider the third clause of your nrSubliste/2 rule, i.e. the one ignoring list head with _, if H in the second clause is such that munteMain(H) succeeds. Note that using ! makes …
org.xml.sax.SAXParseException: Content is not allowed in prolog
Feb 28, 2011 · 28 Try adding a space between the encoding="UTF-8" string in the prolog and the terminating ?>. In XML the prolog designates this bracket-question mark delimited element at the …
syntax - Prolog "or" operator, query - Stack Overflow
Nov 22, 2012 · Prolog "or" operator, query Asked 13 years, 2 months ago Modified 12 years, 9 months ago Viewed 157k times
How to run SWI-Prolog from the command line? - Stack Overflow
The SWI-Prolog build process put bin and lib under ~/bin and ~/lib Note: the -f flag disables loading the initialization ~/.plrc, and this could be necessary to get more 'strict control' over execution... I'm …
What's the -> operator in Prolog and how can I use it?
Nov 21, 2009 · 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?
How does Prolog technically work? What's under the hood?
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 …