Related terms:
bolyai
klein
lines
math
sphere
plane
space
two lines
intersect
geometria
lobachevsky
euclidean
lines through
model
hyperbolic
parallel
geometry
distance
hyperbolic plane
parallel lines
equivalent
perpendicular
each other
parallel postulate
hyperbolic geometry
distance between
euclidean geometry
mathematics
Wikipedia sources:
Parallel (geometry)
Hyperbolic geometry
Non-Euclidean geometry
Context for words:
hyperbolic
space
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