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Prolog return a list which contains only elements which are equal to head of...
Hello I would like to ask a doubt I have with the following code: principio([],[]). principio([H],[H]). principio([H,_|_],[H]). principio([H,H|C],P) :- principio([H|C],R),P=[H|R]. I would like a way...
View ArticleAnswer by false for Prolog return a list which contains only elements which...
Here is two ways how you can narrow down the problem. 1st, start from an unexpectedly failing query. 2nd, start from a query that should fail but rather succeeds. 1st Diagnose unexpected incompleteness...
View ArticleAnswer by tas for Prolog return a list which contains only elements which are...
In addition to the very nice answer provided by @false (+s(0)), I would point out the possibility to use DCGs for the task. They usually yield easily readable code when describing lists (see comments...
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