Short Answer
Use an ordinary proof (not conditional or indirect proof):
1.A ⊃ (Q ∨ R)
2.(R • Q) ⊃ B
3.A • ∼B
/ R ≡ ∼Q
Correct Answer:

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Correct Answer:
Answered by ExamLex AI
To prove R ≡ ∼Q using an ordinary proof ...
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