For each of the following, either construct a formal proof of validity or prove invalidity by means
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For each of the following, either construct a formal proof of validity or prove invalidity by means of the STTT.
(P1): (J ⋅ K) ⊃ (L ⊃ M)
(P2): N ⊃ ∼ M
(P3): ~ (K ⊃ ∼ N)
(P4): ∼ (J ⊃ ~ L)
∴ ~ J
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To prove the validity or invalidity of this argument we can construct a truth table with columns for ...View the full answer
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Related Book For
Introduction To Logic
ISBN: 9781138500860
15th Edition
Authors: Irving M. Copi, Carl Cohen, Victor Rodych
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