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12 Nov 2019
Using the standard notions of addition and multiplication, which of the following are rings? For these that are not rings, say why not. For those that are rings you don't have to prove they are rings, but instead answer those questions: Are they commutative? Do they have unity? Are they integral domains? Fields? {6 3 : b Z}.
Using the standard notions of addition and multiplication, which of the following are rings? For these that are not rings, say why not. For those that are rings you don't have to prove they are rings, but instead answer those questions: Are they commutative? Do they have unity? Are they integral domains? Fields? {6 3 : b Z}.
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Jarrod RobelLv2
4 Aug 2019