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Equivalence
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Quick Facts
Also called:
equivalence of propositions
Related Topics:
equivalence relation
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Equivalence

logic
Also known as: equivalence of propositions, material equivalence(Show More)
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β€’History

Equivalence, in logic and mathematics, the formation of a proposition from two others which are linked by the phrase β€œif, and only if.” The equivalence formed from two propositions p and q also may be defined by the statement β€œp is a necessary and sufficient condition for q.”