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pl:prolog:pllib:list_nonmember [2019/06/27 15:50] (aktualna)
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 +====== List nonmember ======
 +{{tag>​lists}}
 +===== Description =====
 +Nonmembership of a list
 +
 +**Source**: ​ The Art of Prolog
 +===== Download =====
 +Program source code: {{list_nonmember.pl}}
 +===== Listing =====
 +<code prolog>
 +/*
 +   ​nonmember(X,​Xs) :- X is not a member of the list Xs.
 +*/
 +     ​nonmember(X,​[Y|Ys]) :- X \== Y, nonmember(X,​Ys).
 +     ​nonmember(X,​[]).
 +
 +%  Program 7.5    Nonmembership of a list
 +</​code>​
 +===== Comments =====
  
pl/prolog/pllib/list_nonmember.txt · ostatnio zmienione: 2019/06/27 15:50 (edycja zewnętrzna)
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