## Euclid

**Euclid** ( /ˈjuːklɪd/ * EWK-lid*; Ancient Greek: Εὐκλείδης

*Eukleidēs*), fl. 300 BC, also known as

**Euclid of Alexandria**, was a Greek mathematician, often referred to as the "Father of Geometry". He was active in Alexandria during the reign of Ptolemy I (323–283 BC). His

*Elements*is one of the most influential works in the history of mathematics, serving as the main textbook for teaching mathematics (especially geometry) from the time of its publication until the late 19th or early 20th century. In the

*Elements*, Euclid deduced the principles of what is now called Euclidean geometry from a small set of axioms. Euclid also wrote works on perspective, conic sections, spherical geometry, number theory and rigor.

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### Some articles on Euclid:

Austinburg, Ohio - Notables

... Armington and family- founders of

... Armington and family- founders of

**Euclid**Company of Ohio and**Euclid**Crane and Hoist ... Estate- testing earth moving equipment for**Euclid**...Chris Harrell

... Christopher Mychal Harrell (born January 29, 1983 in

... Christopher Mychal Harrell (born January 29, 1983 in

**Euclid**, Ohio) is a professional American football player, playing strong safety in the National Football League ... at Penn State University and attended**Euclid**High School in**Euclid**, Ohio ...**Euclid**, Ohio - Adjacent Communities

... Lake Erie, one of the five Great Lakes Cleveland, Bratenahl Willowick, Wickliffe, Willoughby Hills Euclid South Euclid Richmond Heights. ...

Schopenhauer's Criticism Of The Proofs Of The Parallel Postulate

... mathematicians' attempts to prove

... mathematicians' attempts to prove

**Euclid**'s Parallel Postulate because they try to prove from indirect concepts that which is directly evident from perception ... Schopenhauer naturally assumed that**Euclid**was using plane geometry which operates with lines drawn on a flat surface ... Neither Schopenhauer nor**Euclid**was referring to hyperbolic geometry, with its concave surface, or elliptic geometry's convex surface ...Concurrent

... Concurrent

**Euclid**... Concurrent

**Euclid**(ConEuc) is a concurrent descendant of the**Euclid**programming language designed by James Cordy and Ric Holt, then at the University of Toronto, in 1980 ... was implemented entirely in Concurrent**Euclid**... ConEuc extends a core subset of**Euclid**with processes and monitors (as specified by C.A.R ...Main Site Subjects

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