@Kerapace the ideal generated by 2 and X in Z[x] is not a PID. (got it from wiki, not off the top of my head, but should be clear?)
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@Kerapace but Z[x] is a UFD because Z is (that's a major theorem)Thanks. Twitter will use this to make your timeline better. UndoUndo
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.