Let R be a commutative ring and let A be an ideal of R. Show that VA = {x€ R:x e A for some positive integer n} %3D is an ideal of R such that (i) AC VĀ (iii) If R has unity and VA = R, then A = R. (ii) VA = VA
Let R be a commutative ring and let A be an ideal of R. Show that VA = {x€ R:x e A for some positive integer n} %3D is an ideal of R such that (i) AC VĀ (iii) If R has unity and VA = R, then A = R. (ii) VA = VA
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 31E: Let R be a commutative ring that does not have a unity. For a fixed aR, prove that the set...
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