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Proposition 1B Given the Following Proposition

Question 79

Multiple Choice

Proposition 1B
Given the following proposition:
∼[(A ∨ ∼ B) ⊃ X] ⊃ [∼ Y ⊃ (A • X) ]
-In Proposition 1B, the main operator is a:

A) Dot.
B) Triple bar.
C) Wedge.
D) Tilde.
E) Horseshoe.

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