Related terms:
parallel postulate
hyperbolic triangle
euclidean geometry
hyperbolic space
euclid's
parallel lines
lobachevsky
hyperboloid model
hyperbolic plane
postulate
hyperbolic
given line
set of axioms
fifth postulate
geometria
gromov
straight lines
Wikipedia sources:
Hyperbolic geometry
Non-Euclidean geometry
Gyrovector space
Hyperbolic space
Differential geometry of surfaces
Nikolai Lobachevsky
Marilyn vos Savant
Pythagorean theorem
Absolute geometry
Hyperbolic tree
Inversive geometry
Hyperbolic coordinates
Shape of the Universe
Parallel postulate
Apollonian gasket
Orbifold
Hyperboloid model
Tiling by regular polygons
Axiom
Saccheri quadrilateral
Geometrization conjecture
History of special relativity
Parallel (geometry)
Geometric group theory
Hyperbolic triangle
William Thurston
Upper half-plane
Synthetic geometry
Context for words:
hyperbolic
geometry
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