Suppose phi maps R to S is a ring homomorphism and the image of of phi is not {0}. If R has a unity and S is an integral domain, show that phi carries the unity of R to the unity of S.
Suppose phi maps R to S is a ring homomorphism and the image of of phi is not {0}. If R has a unity and S is an integral domain, show that phi carries the unity of R to the unity of S.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.3: The Characteristic Of A Ring
Problem 17E: 17. Suppose is a ring with positive characteristic. Prove that if is any ideal of then is a...
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Suppose phi maps R to S is a ring homomorphism and the image of of phi is not {0}. If R has a unity and S is an integral domain, show that phi carries the unity of R to the unity of S.
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