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# Alhazen's problem

Definition from Dictionary, a free dictionary

My wife heard me say I love you a thousand times, but she never once heard me say sorry

Bruce Willis## English

### Etymology

Named for Tenth Century Muslim Mathematician Ibn al-Haytham, whose latinized name, Alhacen may be deprecated to Alhazen.

### Noun

Singular |
Plural |

**Alhazen's problem**(-)

- (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.

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