Multiple Choice
∼(∃x) (Px • Qx) ≡ (∀x) (Px ⊃ ∼Qx)
-Which of the following propositions is also derivable in M given that same assumption?
A) ∼Qx
B) ∼Pa ∼Qa
C) Px
D) ∼Qx ⊃ Px
E) Pa • Qa
Correct Answer:

Verified
Correct Answer:
Verified
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