Let W:R->R' be a ring homomorphism and let N be an ideal of R. show that W[N] is an ideal of ImW.

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- Jul 28th 2008, 06:34 AMRyan0710Ideals and factor rings
Let W:R->R' be a ring homomorphism and let N be an ideal of R. show that W[N] is an ideal of ImW.

- Jul 28th 2008, 03:47 PMThePerfectHacker