Talk:Parallel Postulate

AoPSWiki Words of the Week for February 12-19
Previous week
Mathematics
Cyclic sum
Current week
Parallel Postulate
AMC 10
Next week
Momentum
Center for Talented Youth


This is on a plane, right? Because if it is in 3D, then there would be an infinite number of lines that do not intersect it... --1=2 17:40, 13 February 2008 (EST)

Euclid's axioms are axioms of plane geometry. --JBL 16:31, 14 February 2008 (EST)