Given the Statements: a ≡ (B ∨C) / B ⊃

question 213

Multiple Choice

Given the statements: A ≡ (B ∨C) / B ⊃ D / D ⊃ E / E ⊃ ∼ B / A ≡ ∼ C.
These statements are:

• A) Valid.
• B) Tautologous.
• C) Consistent.
• D) Contradictory.
• E) Inconsistent.

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