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A proof of dilworth’s decomposition theorem for partially ordered sets

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Abstract

A short proof of the following theorem is given: LetP be a finite partially ordered set. If the maximal number of elements in an independent subset ofP isk, thenP is the union ofk chains.

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Perles, M.A. A proof of dilworth’s decomposition theorem for partially ordered sets. Israel J. Math. 1, 105–107 (1963). https://doi.org/10.1007/BF02759805

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