Proof of Lemma and Lagrange's Theorem
Автор: The Math Sorcerer
Загружено: 2014-11-30
Просмотров: 24010
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Proof of Lemma and Lagrange's Theorem. This video starts by proving that any two right cosets have the same cardinality. Then we prove Lagrange's Theorem which says that if H is a subgroup of a finite group G then the order of H divides the order of G. We also define the index of H in G as the number of distinct right cosets of H in G.
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