In combinatorial mathematics and extremal set theory, the Sauer–Shelah lemma states that every family of sets with small VC dimension consists of a small number of sets. Here, the VC dimension is the largest size k {\displaystyle k} of a set with the property that all of its subsets can be formed by intersecting it with a member of the family.
In combinatorial mathematics and extremal set theory, the Sauer–Shelah lemma states that every family of sets with small VC dimension consists of a small number of sets. Here, the VC dimension is the largest size k {\displaystyle k} of a set with the property that all of its subsets can be formed by intersecting it with a member of the family.
Source: Wikipedia "Sauer–Shelah lemma" · CC BY-SA 4.0
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