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Posted by rlpowell on Mon 23 of Aug, 2004 17:59 GMT posts: 14214

• I have no idea what "unit" means that "integer" doesn't cover, and that's covered by mulna'u (see Abstract Algebra). --rlpowell

• A unit in an integral domain is a number that every number is divisible by; e.g. the units in Z are 1 and -1, and the units in the Gaussian integers are 1, i, -1, and -i. -phma

Oh, OK. This should all have gone in discuss, sorry. My bad.

-Robin