1. D • ∼E
-Which of the following propositions is derivable from the given premise using any of the twenty-five rules of PL?
A) D ≡ E
B) ∼D ≡ E
C) ∼D ≡ ∼E
D) D ⊃ E
E) ∼D ⊃ ∼E

Question

Quizplus · Accepted Answer

The Answer of 1. D • ∼E
-Which of the following propositions is derivable from the given premise using any of the twenty-five rules of PL?
A) D ≡ E
B) ∼D ≡ E
C) ∼D ≡ ∼E
D) D ⊃ E
E) ∼D ⊃ ∼E