Question

Unify (if possible) the following pairs of predicates and give the resulting substitutions, assume b is...

Unify (if possible) the following pairs of predicates and give the resulting substitutions, assume b is a constant.

a.

P(x, f(x), z)

¬ P(g(y),f(g(b)),y)

b.

P(x, f(x))

¬ P(f(y), y)

c.

P(x, f(z))

¬ P(f(y), y)
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