nonreflexive relation

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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

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nonreflexive relation

logic

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classification of dyadic relations

In formal logic: Classification of dyadic relations
…ϕ is said to be nonreflexive (example: “admires”).
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