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OpenStudy (moss65):
Let R be an integral domain with characteristic p, char R=p. Prove that R contains a subring isomorphic to Zp.
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OpenStudy (misty1212):
HI!!
OpenStudy (misty1212):
my guess is look at the subring generated by the identity of R
OpenStudy (moss65):
Do you mean subring of R containing integers 1 to p-1?
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