Please explained using the inference rules and also show all steps. In each part below, give a formal proof that the sentence given is valid or else provided an interpretation in which the sentence is false.
(a) ∀xP' (x) → ∃x[P(x) → Q'(x)].
(b) ∃x[P(x) → Q'(x)] → ∃xP' (x).
ANSWER :
Hope
it helps... please give an upvote. it's very important to
me...thank you:)
Get Answers For Free
Most questions answered within 1 hours.