Alhazen's problem

English

Etymology

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

Proper noun

Alhazen's problem

1. (mathematics) 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.

Translations

mathematical problem

• Portuguese: problema de Alhazen m