To prove: The inequality n ≥ m , where A = ( A 1 , A 2 , … , A m ) is a family of subsets of a set Y = { y 1 , y 2 , … , y n } .

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Chapter 9, Problem 14E

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To prove: The inequality n≥m, where A=(A1,A2,…,Am) is a family of subsets of a set Y={y1,y2,…,yn}.

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