When1: 1823
When2: 1833
Who: Janos Bolyai [Bolyai, Janos]
What: mathematician
Where: Hungary
works\ Appendix to Tentamen [1833: of Farkas Bolyai or Wolfgang Bolyai]
Detail: He lived 1802 to 1860 and used substitute parallel axiom [1823], applied to intersecting and non-intersecting lines, to make non-Euclidean geometry [1833].
Mathematical Sciences>Mathematics>History>Geometry
3-Mathematics-History-Geometry
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Date Modified: 2022.0224