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:

Tibialis Posterior

A deep muscle of the lower leg that supports the arch of the foot and aids in plantar flexion and inversion of the foot.

Adductor Magnus

A large muscle in the thigh that helps in the movement of drawing the legs together (adduction).

Vastus Lateralis

A muscle in the thigh that is part of the quadriceps group, involved in extending the knee and stabilizing the leg.

Lateral Condyle

A rounded projection at the end of a bone, most commonly referred to on the femur or humerus, providing attachment to muscles and ligaments.