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equivalence
[ ih-kwiv-uh-luhns ee-kwuh-vey-luhns ]
noun
- the state or fact of being equivalent; equality in value, force, significance, etc.
- an instance of this; an equivalent.
- Chemistry. the quality of having equal valence.
- Logic, Mathematics.
- Also called material implication. the relation between two propositions such that the second is not false when the first is true.
- Also called material equivalence. the relation between two propositions such that they are either both true or both false.
- the relation between two propositions such that each logically implies the other.
adjective
- (of a logical or mathematical relationship) reflexive, symmetrical, and transitive.
equivalence
/ ɪˈkwɪvələns /
noun
- the state of being equivalent or interchangeable
- maths logic
- the relationship between two statements, each of which implies the other
- Also calledbiconditional the binary truth-function that takes the value true when both component sentences are true or when both are false, corresponding to English if and only if . Symbol: ≡ or ↔, as in –( p ∧ q ) ≡ – p ∨ – q
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Other Words From
- none·quiva·lence noun
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Word History and Origins
Origin of equivalence1
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Example Sentences
Bratton might have said something that was closer to a real-world moral equivalence.
He was trying, I think, to demonstrate balance and equivalence.
And no one is better equipped to refute this false equivalence than Mack herself.
The equivalence between comic books and Scripture is telling of how seriously canon is taken by these fans.
Moral equivalence and malaise, rather than red-hot ideology, motivates Haydon.
The several forms of energy are interconvertible, and possess an exact quantitative equivalence.
Written language is thus a point-to-point equivalence, to borrow a mathematical phrase, to its spoken counterpart.
Those of most other countries have either not yet been fully studied or their exact equivalence remains undetermined.
The experiments of Rumford, Davy, and Joule were instrumental in establishing the equivalence of mechanical energy and heat.
The exact equivalence between the mechanical energy lost and the heat produced is the thing to be especially noticed here.
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