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en.wikipedia.org/wiki/Logical_biconditional

In logic and mathematics, the logical biconditional, sometimes known as the material biconditional, is the logical connective used to conjoin two statements and to form the statement "if and only if", where is known as the antecedent, and the consequent.

www.mathgoodies.com/lessons/vol9/biconditional

Definition: A biconditional statement is defined to be true whenever both parts have the same truth value. The biconditional operator is denoted by a double-headed arrow . The biconditional p q represents "p if and only if q," where p is a hypothesis and q is a conclusion. The following is a truth table for biconditional p q.

wikimili.com/en/Logical_biconditional

In logic and mathematics, the logical biconditional (sometimes known as the material biconditional) is the logical connective of two statements asserting P {\displaystyle P} if and only if Q {\displaystyle Q} , where P {\displaystyle P} is an antecedent and Q {\displaystyle Q} is a consequent. This

www.thefreedictionary.com/Logical+biconditional

Logical biconditional synonyms, Logical biconditional pronunciation, Logical biconditional translation, English dictionary definition of Logical biconditional. n another name for equivalence2. Logical biconditional - definition of Logical biconditional by The Free Dictionary.

dictionary.sensagent.com/Logical biconditional/en-en

In logic and mathematics, the logical biconditional (sometimes known as the material biconditional) is the logical connective of two statements asserting "p if and only if q", where q is a hypothesis (or antecedent) and p is a conclusion (or consequent). [1] This is often abbreviated p iff q.

www.philosophy-index.com/logic/symbolic/biconditional.php

The biconditional or material equivalence operator is used to symbolize “if and only if” statements in symbolic logic. The biconditional is a truth-functional operator in logic. The symbol ↔ is used to indicate a biconditional relationship. “If and only if P, then Q” may be formalized as P ↔ Q.

wiki2.org/en/Logical_biconditional

In logic and mathematics, the logical biconditional (sometimes known as the material biconditional) is the logical connective of two statements asserting "p if and only if q", where p is an antecedent and q is a consequent. This is often abbreviated "p iff q".