Problem:
Let R be a commutative ring.
Show that every maximal ideal of R is prime and if R is finite, show that every prime ideal is maximal.
ALSO is every prime ideal of Z(integers) maximal? Why?
Ring homomorphism - (See attached file for full problem description)
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1. Show that if is a ring homomorphism and A is an ideal of R Then need not be an ideal of S.
(Compare with property "If A is an ideal an ...
Ring Theory/Largest two-sided ideal - Let I be a right ideal of a ring R and let A = {r in R: (R/I)r = 0}.
Prove that A is the largest two-sided ideal of R contained in I.
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Ring Homomorphisms and Ideals - Let : R->Q be a ring homomorphism , and suppose that I is a non-trivial ideal of R.
Prove or disprove that (I)={ (i)| i I } is necessary an ideal of Q.
Let : R->Q be a ONTO ring homomorphism ...