Prolog Program to delete an element from the list.

Prolog Program to delete an element from the list.

Program:

domains
list=symbol*

predicates
del(symbol,list,list)
 
clauses
del(X,[X|Tail],Tail).
del(X,[Y|Tail],[Y|Tail1]) :- del(X,Tail,Tail1).

goal with output

goal: del(b,[a,b,c,a,b],X)

output: X=["a","c","a","b"]
           X=["a","b","c","a"]

           2 solution

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