Proposition 2D Given the Following Proposition

question 228

Multiple Choice

Proposition 2D
Given the following proposition:
[(A • ∼ X) ⊃ (∼ B ≡ Y) ] • [∼ (Y ∨ ∼ A) ≡ (B • X) ]
-In Proposition 2D, the main operator is a:

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

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Definitions:

Equivalent

Equal in value, function, or meaning, often referring to items that can be substituted for one another in specific contexts.

Concept

An abstract idea or a mental symbol that typically represents a class of things or phenomena.

Referent

The real object or item in existence that is signified or represented by a word or expression.

Equivalent

Equal in value, measure, force, effect, significance, etc.