If and only if/Related Articles

See also changes related to If and only if, or pages that link to If and only if or to this page or whose text contains "If and only if".

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Parent topics

• Language of mathematics [r]: Add brief definition or description
• Mathematical notation [r]: A system of symbolic representations of mathematical objects and ideas. ^[e]

Subtopics

• Necessary and sufficient [r]: In mathematics, a frequently used phrase to say that two statements are logically equivalent. ^[e]