# Question

The following Prolog code defines a predicate P: P(X, [X | Y]). P (X, [Y| Z]):- P (X, Z).

a. Show proof trees and solutions for the queries P (A, [1, 2, 3]) and P (2, [1, A, 3])

b. What standard list operation does P represent?

a. Show proof trees and solutions for the queries P (A, [1, 2, 3]) and P (2, [1, A, 3])

b. What standard list operation does P represent?

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