Question: Problem 5 Let y = {c,P} and ; = {c,P, M} be two first order languages with equality. where is a constant symbol and P

Problem 5 Let y = {c,P} and ; = {c,P, M} be two first order languages with equality. where is a constant symbol and P and M are 2-place function symbols. Consider the structures N = (N,0,+) for the language , and N; = (N, 0, +, ) for the language C,. Show that S:={(x,y) e R?:x

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