Use natural deduction to prove the following logical truth:
[(P ∨ Q) ⊃ (R • T)] ⊃ (P ⊃ R)
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Q43: Given the following premises:
1)∼N ∨ H
2)Q ⊃
Q44: Use conditional proof:
1.N ⊃ (F • A)
2.B
Q45: Given the following premises:
1)(L ⊃ M) •
Q46: Given the following premises:
1)∼R ≡ ˜R
2)N •
Q47: Given the following premises:
1)N
2)R ⊃ ∼N
3)∼C •
Q49: Given the following premises:
1)(J • ∼N) ∨
Q50: Given the following premises:
1)(S ⊃ ∼F) •
Q51: Given the following premises:
1)(K • ∼T) ∨
Q52: Given the following premises:
1)∼M ⊃ S
2)∼M
3)(M ∨
Q53: Given the following premises:
1)R ⊃ (E •
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