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LaTeX-examples/documents/Programmierparadigmen/scripts/prolog/delete.pl

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2014-03-11 13:58:42 +01:00
remove([(X,A)|L],X,[(X,ANew)|L]) :- A>0, ANew is A-1.
remove([X|L],Y,[X|L1]) :- remove(L,Y,L1).