Construct a derivation (for the following argument) from the premise to the conclusion, only using these...

Construct a derivation (for the following argument) from the premise to the conclusion, only using these :(&I, &E, ∨I, ∨E, ≡ I, ≡ E ,⊃ I, ⊃ E,∼ I, ∼ E)

(a) Premise 1: W ⊃ X

Premise 2: X ⊃ Y

Premise 3: Y ⊃ Z

Premise 4: W

Conclusion: W & Z

(b)Premise 1: (A & B) ≡ C

Premise 2: A ≡ B

Conclusion: A ≡ C

(c)Premise 1: B ⊃ D

Premise 2: C ⊃ D

Conclusion: (B ∨ C) ⊃ D

(d) Premise 1: B ⊃ C

Conclusion: ∼ C ⊃∼ B

Solutions

Expert Solution

Colby Messinger answered 1 year ago

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