Finding:

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   Euclidean geometry

   Euclidean geometry is a mathematical system attributed to the Greek mathematician Euclid of Alexandria. Euclid's Elements is the earliest known systematic discussion of geometry.
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   Non-Euclidean geometry

   The concepts applied to certain non-Euclidean planes can only be shown in three dimensions. ... Euclidean geometry is modelled by our notion of a "flat plane."
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   List of geometers

   Jakob Steiner - a champion of synthetic geometry methodology, projective geometry, Euclidean geometry
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   Category:Euclidean geometry

   In mathematics, Euclidean geometry is the familiar kind of geometry on the plane or in three dimensions. Mathematicians sometimes use the term to encompass higher dimensional geometries with similar properties.
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   History of geometry

   This work marked the starting point for Giovanni Girolamo Saccheri's work on the subject, and eventually the discovery of non-Euclidean geometry.
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   Geometry

   Contemporary Euclidean geometry ... For example affine geometry is more general than Euclidean geometry, and more special than projective geometry.
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   Projective geometry

   Projective geometry also includes a full theory of conic sections, a subject already very well developed in Euclidean geometry.
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   Hyperbolic geometry

   In mathematics, hyperbolic geometry (or Lobachevskian geometry) is a non-Euclidean geometry, meaning that the parallel postulate of Euclidean geometry is replaced.
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   Mathematics in medieval Islam

   This work marked the starting point for Giovanni Girolamo Saccheri's work on the subject, and eventually the development of modern non-Euclidean geometry.
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    Islamic mathematics

    This work marked the starting point for Giovanni Girolamo Saccheri's work on the subject, and eventually the development of modern non-Euclidean geometry.

Explore the following pages on Powerset:

• Euclidean geometry,
• Non-Euclidean geometry,
• List of geometers,
• Category:Euclidean geometry,
• History of geometry,
• Geometry,
• Projective geometry,
• Hyperbolic geometry,
• Mathematics in medieval Islam,
• Islamic mathematics