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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
/ ɪˈɪəəԲ /
noun
the state of being equivalent or interchangeable
maths logic
the relationship between two statements, each of which implies the other
Also called: biconditional.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
Other Word Forms
- nonequivalence noun
Word History and Origins
Origin of equivalence1
Example Sentences
Israel and the Trump administration reject the idea that the laws of war apply equally to all sides, because they claim it implies a false and wrong equivalence between Hamas and Israel.
We must stop the false equivalence that there are “two sides” to slashing funds, programs and agencies approved by Congress.
He appears to find some equivalence between undocumented immigrants and “invading aliens.”
’s galling is that Republicans, rather than simply condemning Trump, are drawing a false equivalence between his action and former President’s Biden’s last-minute preemptive pardon of his siblings and their spouses.
Not that I mean to imply any sort of qualitative or moral equivalence between “Saw” and this.
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