Timeline for Proving $\sum_{k=m}^n \binom{k}{m} {n\brack k} = \sum_{k=m}^n \frac{n!}{k!} {k\brack m} $
Current License: CC BY-SA 4.0
10 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 12, 2023 at 6:31 | answer | added | Alexander Burstein | timeline score: 0 | |
| Feb 11, 2021 at 10:29 | history | edited | metamorphy | CC BY-SA 4.0 |
simplified notation
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| Feb 13, 2017 at 0:51 | vote | accept | David Holden | ||
| Feb 12, 2017 at 22:13 | answer | added | Marko Riedel | timeline score: 3 | |
| Feb 12, 2017 at 20:59 | answer | added | Jeremy Dover | timeline score: 5 | |
| S Feb 12, 2017 at 19:02 | history | suggested | Rezwan Arefin | CC BY-SA 3.0 |
improved math formatting.
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| Feb 12, 2017 at 18:33 | comment | added | David Holden | thanks @Test123! realized something ghastly had happened with the title | |
| Feb 12, 2017 at 18:33 | review | Suggested edits | |||
| S Feb 12, 2017 at 19:02 | |||||
| Feb 12, 2017 at 18:32 | history | edited | Kal S. | CC BY-SA 3.0 |
improved title
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| Feb 12, 2017 at 18:31 | history | asked | David Holden | CC BY-SA 3.0 |