For each of the following arguments, use the STTT to determine whether the argument is valid or

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For each of the following arguments, use the STTT to determine whether the argument is valid or invalid. For some of these arguments, Steps 2 C , 3 C , and 4 (i.e., the C-Sequence) will be most efficient; for some of these arguments Steps 2 P , 3 P , and 4 (i.e., the P-Sequence) will be most efficient.


(P1): T ⋅ (U ꓦ V)
(P2): T ⊃ [U ⊃ (W ⋅ X)]
(P3): (T ⋅ V) ⊃ ~ (W ꓦ X)
∴ W ≡ X

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Introduction To Logic

ISBN: 9781138500860

15th Edition

Authors: Irving M. Copi, Carl Cohen, Victor Rodych

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