Predicates P, T and E are defined below. The domain of discourse is the set of all positive integers.

P(x): x is even T(x, y): 2x = y E(x, y, z): xy = z

Indicate whether each logical expression is a proposition. If the expression is a proposition, then give its truth value. (d) T(5, x)

(e) E(6, 2, 36)

(f) E(2, y, 7)

(g) P(3) T(5, 32)