What is logical equivalence - Definition and Meaning

Logical Equivalence :

Logical equivalence can be defined as a relationship between two statements/sentences. It is represented by and P Q means "P if and only if Q." If each of the statements can be proved from the other, then it is an equivalent.

Formula :

Logical Equivalence formula

Example :

The below statements are logically equivalent. 1) If Andrew is in Germany, then he is in Europe 2) If Andrew is not in Europe, then he is not in Germany.
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