Given two statements, A and B, we can say that A is equivalent to B in the Logic of Statements provided that ___________________.
A) A is a tautology and B is contingent
B) A is insistent and B is a tautology
C) the conditional (A $\rightarrow$ B) is a tautology
D) the bi-conditional (A ≡ B) is a tautology

Question

Quizplus · Accepted Answer

The bi-conditional (A ≡ B) is a statement that is true if and only if A and B have the same truth value. This means that A and B are logically equivalent, hence the answer is D.

Given Two Statements, a and B, We Can Say That →\rightarrow→

Given Two Statements, a and B, We Can Say That $\rightarrow$