Given the Statement: (F ∨ ∼ S) ⊃ ∼(S ∨

question 121

Multiple Choice

Given the statement: (F ∨ ∼ S) ⊃ ∼(S ∨ ∼F)
This statement is:

• A) Contingent.
• B) Self-contradictory.
• C) Inconsistent.
• D) Valid.
• E) Tautologous.

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