Timeline for The sharp 3x3 lemma: a proof by universal properties?
Current License: CC BY-SA 2.5
8 events
| when toggle format | what | by | license | comment | |
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| Apr 13, 2017 at 12:57 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| Feb 3, 2010 at 14:14 | comment | added | Chris Schommer-Pries | The proof using the Salamander Lemma makes it clear you can remove C_3 from the diagram. | |
| Feb 2, 2010 at 17:42 | comment | added | Harry Gindi | Ah, thanks! I never was notified of the update by the system. | |
| Feb 2, 2010 at 17:29 | vote | accept | Harry Gindi | ||
| Feb 2, 2010 at 17:23 | comment | added | Harry Gindi | Nope. I'll check it out. | |
| Feb 2, 2010 at 17:10 | comment | added | Tom Church | Did you see that Jonathan Wise added a section on the salamander lemma to the notes he wrote up for your question? | |
| Feb 2, 2010 at 14:41 | comment | added | Harry Gindi | I don't remember ever getting an answer to that question. | |
| Feb 2, 2010 at 14:35 | history | answered | Chris Schommer-Pries | CC BY-SA 2.5 |