The Fifth Postulate
第五公设: 如何揭开两千年的谜团
数学史It's the dawn of the Industrial Revolution, and Euclidean geometry has been profoundly influential for centuries. One mystery remains, however: Euclid's fifth postulate has eluded for two thousand years all attempts to prove it. What happens when three nineteenth-century mathematicians realize that there is no way to prove the fifth postulate and that it ought to be discarded--along with everything they'd come to know about geometry? Jason Socrates Bardi shares the dramatic story of