Talk:Rig (algebra)
Isn't this the same thing as a semiring?
Waltpohl 07:48, 24 Feb 2004 (UTC)
Almost but not quite. From what I can tell, the difference is that a rig has identity elements for both multiplication and addition, where a semiring is not guaranteed to have identity elements for either one. Isomorphic 08:05, 24 Feb 2004 (UTC)
I say we redirect this to semiring. See comments at Talk:semiring. -- Fropuff 23:55, 2004 Jul 23 (UTC)
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