English Explanatory Dictionary

Alhazen's problem

English dictionary entry

Meanings

name
  1. A mathematical problem in which lines drawn from two points in the plane of a circle must meet at a point on the circumference, making equal angles with the normal at that point.

Word forms

Alhazen's problem

Etymology

Named for a tenth-century Arab mathematician Ibn al-Haytham, whose latinized name, Alhacen, may be rendered as Alhazen.

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