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Given the Statements: R ⊃ (Q ∨ ∼ N)

Question 10

Multiple Choice

Given the statements: R ⊃ (Q ∨ ∼ N) / Q ⊃ (U ⊃ ∼ B) / B ⊃ (N • U) / R • B
These statements are:

A) Inconsistent.
B) Invalid.
C) Consistent.
D) Logically equivalent.
E) Tautologous.

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