组合数学 (Spring 2016)/Extremal set theory: Revision history

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24 November 2016

14 November 2016

  • curprev 04:2604:26, 14 November 2016‎ imported>Etone‎ 25,731 bytes +25,731‎ Created page with "== Sunflowers == An set system is a '''sunflower''' if all its member sets intersect at the same set of elements. {{Theorem|Definition (sunflower)| : A set family <math>\mathc..."
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