SOLUTION: Is this a valid argument, what is the solution. (p→q)→r ~p V q ________ r V q

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Question 1061678: Is this a valid argument, what is the solution.
(p→q)→r
~p V q
________
r V q

Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
Method not stated.

Truth table method:

(p → q) → r / ~p V q // r V q
 T T T  T T   FT T T    T T T
 T T T  F F   FT T T    F T T
 T F F  T T   FT F F    T T F  <-- NOT VALID!!!
 T F F  T F   FT F F    F F F
 F T T  T T   TF T T    T T T
 F T T  F F   TF T T    F T T
 F T F  T T   TF T F    T T F
 F T F  F F   TF T F    F F F  <-- NOT VALID!!! 

Edwn

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