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

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.


(P): (V-W) (XY) (P): (-WZ) (Y-A) (P): (Z-B)-(-ADC) (P): V. X :.


(P): (V-W) (XY) (P): (-WZ) (Y-A) (P): (Z-B)-(-ADC) (P): V. X :. ~B.C

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