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  3. 1 complete the following for a and b write your...

Question: 1 complete the following for a and b write your...

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1. Complete the following. (For (a) and (b), write your proofs in the usual two-column format.) a) Show that the conclusion pAr follows from the premises p.9 r, and p. b) Show that the conclusion s follows from the premises (pv)s), p, (Hint: Use addition.) c Show the argument below is invalid by finding an assignment of truth values to the propositional variables for which each premise is true but the conclusion is false p (vr)

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