{
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  "body": "\n## Statement\n\nFor each $k\u003e0$, $r\u003e0$, there is an integer $f(k,r)$ such that if a set system $F$ of $k$-sets is of cardinality greater than $f(k,r)$, then $F$ contains a sunflower of size $r$.\n",
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        "locator": "Sunflower (mathematics), section Sunflower lemma and conjecture",
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  "name": "Erdős-Rado Delta System Theorem (corollary of the sunflower lemma)",
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