Timeline for Pair of curves joining opposite corners of a square must intersect---proof?
Current License: CC BY-SA 2.5
2 events
when toggle format | what | by | license | comment | |
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Oct 1, 2011 at 12:15 | comment | added | Danny Calegari | +1 for retaining something from one of our conversations . . . | |
Feb 4, 2011 at 3:26 | history | answered | Steven Frankel | CC BY-SA 2.5 |