Is the following argument p& ∼ p,(p ∨ q) ≡ (s ≡ (t ∨ p)) ∴...

Is the following argument p& ∼ p,(p ∨ q) ≡ (s ≡ (t ∨ p)) ∴ r valid? If not provide a counterexample.

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Colby Messinger answered 1 week ago

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