@Kerapace Off the top of my head: try proving them for the integers first, then see if you can generalize.
@Kerapace Not sure what you mean by stuff, but point of proving elementary theorems is just to build basic intuition. Shouldn't need much.
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@Kerapace Might help to have a few examples handy of UFDs that aren't PIDs. I think some algebraic extensions of Z work for that?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.