Statement 1B
(R • B) ≡ (B ⊃ ∼ R)
-Statement 1B is:
A) Logically equivalent.
B) Tautologous.
C) Self-contradictory.
D) Contingent.
E) Consistent.

Question

Quizplus · Accepted Answer

The statement (R • B) ≡ (B ⊃ ∼ R) is self-contradictory because it cannot be true under any interpretation. The conjunction (R • B) implies both R and B are true, while (B ⊃ ∼ R) implies that if B is true, then R must be false, creating a contradiction.

Statement 1B (R • B) ≡ (B ⊃ ∼ R)