page2001 Rings Matthias Lorentzen...mattegrisenforlag.com
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Question
In a finite field F, what is the main reason that the
multiplicative group `F^"*"` is not a field:
A) `F^"*"` is not a field because it does not contain
the additive identity element `0_F`.
B) `F^"*"` is not a field because its elements are not
closed under addition in general
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