Related articles:
Euclidean geometry
Euclid
Riemannian geometry
Distance
Curvature
Hyperbolic geometry
H. P. Lovecraft
Manifold
Key terms:
geometry
postulate
lines
model
points
hyperbolic geometry
plane
elliptic geometry
angles
saccheri
parallel postulate
euclidean geometry
mathematician
intersect
sphere
geometria
theorems
prove
equivalent
each other
mathematics
bolyai
straight lines
khayyam
elements
curvature
riemannian geometry
lines through
ab
lobachevsky
assumptions
spaces
proofs
s fifth postulate
affine
grassman
any given line
saccheri quadrilateral
klein
projective
playfair
these early attempts
hyperbolic space
locally
Search external links cited by footnotes on Wikipedia page Non-Euclidean geometry:
|
|