Definition:Segment

Disambiguation

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Segment may refer to:

• Geometry:
  • Segment of a Circle: The part of a circle cut off by a straight line that cuts the circle into two parts.
  • Line segment: a straight line whose endpoints are both defined.

• Order theory:
  • (Initial) segment determined by an element: The set of all elements of a poset which precede that element. Usually seen in the context of:
  • Segment of a well-ordered set: The set of all elements of a woset smaller than a given element.