History: Non-Euclidean geometry

12 December 2017

• curprev 16:5816:58, 12 December 2017‎ Artix Kreiger talk contribs‎ m 20,627 bytes +7‎ →‎References: Format using AWB

4 December 2016

• curprev 02:4402:44, 4 December 2016‎ The Great Duck INH talk contribs‎ 20,620 bytes +50‎ I added a slight clarification. Most people never consider the fact that the fifth postulate's replacement by Playfair's postulate is proved equivalent by using the other four postulates in conjunction with the fifth. Tag: rte-source

7 July 2014

• curprev 08:5608:56, 7 July 2014‎ Rotlink talk contribs‎ m 20,570 bytes +42‎ fixing dead links

29 May 2014

• curprev 21:2221:22, 29 May 2014‎ Jagged85 talk contribs‎ 20,528 bytes +4‎ No edit summary

8 May 2014

• curprev 03:5403:54, 8 May 2014‎ Jagged85 talk contribs‎ 20,524 bytes +14‎ No edit summary
• curprev 03:1703:17, 8 May 2014‎ Jagged85 talk contribs‎ 20,510 bytes +64‎ →‎History
• curprev 03:1303:13, 8 May 2014‎ Jagged85 talk contribs‎ 20,446 bytes +20,446‎ Created page with "right|thumb|400px|Behavior of lines with a common perpendicular in each of the three types of geometry In mathematics, '''non-Euclidean geometry''' de..."