Let R be a ring with more than one element such that for each nonzero a
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Let R be a ring with more than one element such that for each nonzero a ϵ R there is a unique b ϵ R such that aba = a. Prove:
(a) R has no zero divisors.
(b) bab = b.
(c) R has an identity.
(d) R is a division ring.
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a Suppose that there exist nonzero elements x y in R such that xy 0 Then we can choose a nonzero ele...View the full answer
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Related Book For
Algebra Graduate Texts In Mathematics 73
ISBN: 9780387905181
8th Edition
Authors: Thomas W. Hungerford
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