: F[x₁,...,xn] → R such that (1) € = (2) √(x₁) = bi

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.2: Integral Domains And Fields
Problem 4E: [Type here] Examples 5 and 6 of Section 5.1 showed that is a commutative ring with unity. In...
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Theorem 1 [Universal Property] Let : F→ R be a ring homo-
morphism, where R is a commutative ring with unity. Let b₁,..., bn be
some arbitrary elements of R. Then there exists a unique ring homo-
morphism &: F[x1, ..., xn] → R such that (1) vo€ = ¢ (2) ¥(x₁) = bi
voe:
for all i = 1,..., n.
Transcribed Image Text:Theorem 1 [Universal Property] Let : F→ R be a ring homo- morphism, where R is a commutative ring with unity. Let b₁,..., bn be some arbitrary elements of R. Then there exists a unique ring homo- morphism &: F[x1, ..., xn] → R such that (1) vo€ = ¢ (2) ¥(x₁) = bi voe: for all i = 1,..., n.
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