9.16. Let R be a ring and I a proper ideal. 1. If R is an integral domain, does it follow that R/I is an integral domain? Prove that it does, or find a counterexample. 2. If R/I is an integral domain, does it follow that R is an integral domain? Prove that it does, or find a counterexample.
9.16. Let R be a ring and I a proper ideal. 1. If R is an integral domain, does it follow that R/I is an integral domain? Prove that it does, or find a counterexample. 2. If R/I is an integral domain, does it follow that R is an integral domain? Prove that it does, or find a counterexample.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.1: Ideals And Quotient Rings
Problem 30E: a. For a fixed element a of a commutative ring R, prove that the set I={ar|rR} is an ideal of R....
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