Does anyone know where I can find solu开发者_JS百科tions to the exercises and practical sessions to Learn Prolog Now? I started working through it and would to verify the answers that I devise.I\'ve w
The best thing I could come up with so far is this function: numberFromList([X], X) :- digit(X), !. numberFromList(List, N) :-
This is some of the code I am writing assert(bar(foo)), assert(foo(bar-5)), I\'m not sure if it works though. I\'m trying to get it to reduce foo by 5. I need a way to write the valu开发者_如何学Py
Why does Prolog match (X, Xs) with a tuple containing more elements? An example: test2((X, Xs)) :- write(X), nl, test2(Xs).
While reading SICP I came across logic programming chapter 4.4. Then I started looking into the Prolog programming language and 开发者_运维问答tried to understand some simple assignments in Prolog.I f
Is there any build-in predicate in SWI-Prolog that will always fail AND prevent machine from backtracking - it is stop the program from executing immediately (this is not what fail/0 does)开发者_开发知
Is there a way to do an if in prolog, e.g. if a variable is 0, then to do some actions (write text开发者_Go百科 to the terminal). An else isn\'t even needed, but I can\'t find any documentation of if.
I\'m having a hard time coming to grips with relational clausal logic, and I\'m not sure if this is the place to ask but it would be help me so much with revision if anyone could provide g开发者_Stack
I\'m writing a lexer in Prolog which will be used as a part of functional language interpreter. Language spec allows expressions like for example let \\x = x + 2; to occur. What I want lexer to do for
I\'m trying to find a solution for a query on a generalized Fibonacci sequence (GFS). The query is: are there any GFS that have 885 as their 12th number? The initial 2 numbers may be restricted betwee
加载中,请稍侯......