Let I n be as in Exercise 1. If A I m and B I
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Let In be as in Exercise 1. If A ∼ Im and B ∼ In and A ∩ B = Ø, then (A U B) ∼ Im+n and A X B "'Imn. Thus if we identify IAI with m and IBI with n, then IAI + IBI = m + n and IAIIBI = mn.
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In This likely refers to a set of natural numbers 1 2 3 n A Im This notation means that A is a subset of Im and has the same cardinality number of ele...View the full answer
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Algebra Graduate Texts In Mathematics 73
ISBN: 9780387905181
8th Edition
Authors: Thomas W. Hungerford
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