Given the following premises:
1) ∼(∼H • J)
2) K ∨ (∼H • J)
3) (M ∨ M) ⊃ (∼H • J)
A) (K ∨ ∼H) • (K ∨ J) 2, Dist
B) ∼K ⊃ (∼H • J) 2, Impl
C) K 1, 2, DS
D) H ∨ ∼J 1, DM
E) ∼M 1, 3, MT
Correct Answer:
Verified
Q15: Given the following premises:
1)E ⊃ (B •
Q16: Given the following premises:
1)S ∨ (∼Q ∨
Q17: Given the following premises:
1)D ⊃ (∼A ∨
Q18: Given the following premises:
1)N ⊃ ∼(S ∨
Q19: Given the following premises:
1)∼(G • F)
2)∼F ⊃
Q21: Given the following premises:
1)S ⊃ (∼∼T •
Q22: Given the following premises:
1)(∼H • ∼J) ⊃
Q23: Given the following premises:
1)∼D ∨ ∼T
2)D ∨
Q24: Use natural deduction to prove the following
Q25: Use conditional proof:
1.S ⊃ (B ⊃ T)
2.N
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