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Prove invalid. You must use The me hed of 1nterpretn thin (x) (Mx > (Nx) Px)) (x) (Qx> Px) (x) CQx > (Mx - Nx)) DO NOT USE CP, IP, or AP in your proofs. I will not accept any proofs using CP, IP, or AP. Use only the 18 rules of inference found in the text and in the notes. If you use any of the inference rules Trans, Resolution, Contradiction or Identity, you will lose points.
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Answers 8). O (40) My → (No — Pa) @ (Hr) (@x P) ricor)(Qx-> (1, -N/x)] f (xs) [mx=(w3=R>]1 Curs (Q=R0]}-{(v09/2x=(,1 ) This cso invalid True flase case exists. so invalid. Scanned with CamScanner

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