Construct proofs to show that the follow- ing arguments are valid. You may use any inference rule needed, and you may prove the conclusions directly or indirectly. -P, -Q →P, -Q V(-P →R) .R VS

Q: -0.50 1.00 а) 0.60 -100 -0.50 b) 0.60 100 -1.00 -0.50 1.00 c) 0.60 -1.00 -0.50 1.00 d) 60 -1.00

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Q: 16 a

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A: Consider the figure,   In the given figure,   An inscribed angle is an angle with its vertex "on"…

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Q: 15 35 3х +15 3.

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