Multiple Choice
Given the following premises:
1) ∼R ∨ ∼R
2) R ∨ (∼J • ∼H)
3) ∼R ⊃ (H • B)
A) ∼J • ∼H 1, 2, DS
B) R 1, DN
C) R ∨ ∼(J ∨ H) 2, DM
D) (R ∨ ∼J) • ∼H 2, Assoc
E) H • B 1, 3, MP
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q56: Use natural deduction to prove the following
Q57: Given the following premises:<br>1)N ∨ C<br>2)(N ∨
Q58: Given the following premises:<br>1)(K • ∼T) ∨
Q59: Given the following premises:<br>1)F ∨ S<br>2)∼S<br>3)(S ⊃
Q60: Given the following premises:<br>1)∼(∼H • J)<br>2)K ∨
Q62: Given the following premises:<br>1)Q ⊃ (∼N ∨
Q63: Given the following premises:<br>1)R • ∼S<br>2)R ⊃
Q64: Use an ordinary proof (not conditional or
Q65: Given the following premises:<br>1)S ⊃ (∼∼T •
Q66: Given the following premises:<br>1)E ⊃ (B •