Talk:Combinatorics (Fall 2010)/Extremal set theory: Difference between revisions
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#Proof of Erdős-Ko-Rado theorem <math>(n-1)|</math>应为<math>(n-1)!</math> | #Proof of Erdős-Ko-Rado theorem <math>\frac{(n-1)|}{(k-1)!(n-k)!}</math>应为<math>\frac{(n-1)!}{(k-1)!(n-k)!}</math> | ||
Revision as of 06:59, 7 November 2010
Typos
- Proof of Erdős-Ko-Rado theorem [math]\displaystyle{ \frac{(n-1)|}{(k-1)!(n-k)!} }[/math]应为[math]\displaystyle{ \frac{(n-1)!}{(k-1)!(n-k)!} }[/math]