Euclidean geometry is described in a treatise about mathematics and geometry.
=== Axioms ===Euclid took an abstract approach to geometry in his Elements, one of the most influential books ever written
  The theorems of Ibn al-Haytham (Alhazen), Omar Khayyam and Nasir al-Din al-Tusi on quadrilaterals, including the Lambert quadrilateral and Saccheri quadrilateral, were early results in hyperbolic geometry, and along with their alternative postulates, such as Playfair's axiom, these works had a considerable influence on the development of non-Euclidean geometry among later European geometers, including Vitello (c

