For the following argument, construct both (a) A direct formal proof of validity and(b) An indirect proof
Question:
For the following argument, construct both
(a) A direct formal proof of validity and(b) An indirect proof of validity. Compare the lengths of the two proofs.
Transcribed Image Text:
(P₁): (V-W) (XY) (P₂): (-WZ) (Y-A) (P₂): (Z-B)-(-ADC) (P₂): V. X :. ~B.C
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a Direct formal proof b Indirect proof 1 VD W XY 2 W Z YA 3 ZB AC 4 VX ...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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