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  1. Parallel postulate - Wikipedia

    It states that, in two-dimensional geometry: If a straight line intersects two other straight lines forming two interior angles on the same side that are less than two right angles, then the two …

  2. Parallel postulate | Euclidean, Non-Euclidean, Axiom | Britannica

    Parallel postulate, One of the five postulates, or axioms, of Euclid underpinning Euclidean geometry. It states that through any given point not on a line there passes exactly one line …

  3. Parallel Postulate - Art of Problem Solving

    The parallel postulate states that through any line and a point not on the line, there is exactly one line passing through that point parallel to the line.

  4. Parallel Postulate -- from Wolfram MathWorld

    Dec 3, 2025 · Parallel Postulate Given any straight line and a point not on it, there "exists one and only one straight line which passes" through that point and never intersects the first line, no …

  5. Euclid's Fifth Postulate: The Parallel Postulate

    Euclid's 5th postulate, also known as the parallel postulate, is an important part of geometry because it helps to define what it means for two lines to be parallel.

  6. Parallel Postulate (Video) Definition & Examples - Tutors.com

    Jan 16, 2023 · In this lesson we will define and apply the Parallel Postulate of Euclid. Learn how to draw and test the Parallel Postulate with these examples. Want to see?

  7. The Parallel Postulate

    For over two millenia mathematicians tried to prove Euclid's parallel postulate from the other four of his postulates. This was known early on to be a useless effort, but it was not known until the …

  8. Parallel Postulate - MathBitsNotebook (Geo)

    In a plane, at most one line can be drawn through a point not on a given line parallel to the given line. This statement is equivalent to Euclid's Fifth Postulate, and as stated, describes the type …

  9. Parallel postulate | Research Starters - EBSCO

    Parallel postulate The parallel postulate, originating from Euclid's seminal work "Elements" around 300 B.C.E., is a foundational concept in geometry that pertains to the behavior of parallel lines.

  10. Parallel postulate - Wikiwand

    It states that, in two-dimensional geometry: If a straight line intersects two other straight lines forming two interior angles on the same side that are less than two right angles, then the two …