Euclid's axiom

Definitions of Euclid's axiom
  1. noun
    (mathematics) any of five axioms that are generally recognized as the basis for Euclidean geometry
    synonyms: Euclid's postulate, Euclidean axiom
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    Euclid's first axiom
    a straight line can be drawn between any two points
    Euclid's second axiom
    any terminated straight line can be projected indefinitely
    Euclid's third axiom
    a circle with any radius can be drawn around any point
    Euclid's fourth axiom
    all right angles are equal
    Euclid's fifth axiom, parallel axiom
    only one line can be drawn through a point parallel to another line
    type of:
    (logic) a proposition that is not susceptible of proof or disproof; its truth is assumed to be self-evident
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