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Exercise 5.1. For an injective R-module homomorphism f : M N, the follow- ing conditions are equivalent: (1) f (M) is a direct summand
Exercise 5.1. For an injective R-module homomorphism f : M N, the follow- ing conditions are equivalent: (1) f (M) is a direct summand of N. (2) There is an R-module homomorphism g : N M such that gf : M + M satisfies gf(v) v for all v e M.
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Employment Law for Human Resource Practice
Authors: David J. Walsh
5th edition
1305112121, 1305112124, 1305830547, 978-1305112124
