Max Zorn was a mathematician best known for his formulation of Zorn's Lemma, which is a key principle in set theory and mathematical logic. This lemma states that if a partially ordered set has the property that every chain (a totally ordered subset) has an upper bound in the set, then the whole set contains at least one maximal element. Zorn's Lemma is pivotal in various mathematical proofs and constructions, particularly in areas like topology and algebra.
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