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Results tagged with gr.group-theory
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user 43439
Questions about the branch of algebra that deals with groups.
7
votes
0
answers
294
views
A minimal semigroup generating subset of the additive reals
I asked this on MSE, but I was told to ask it here because it is a difficult question. Consider the additive magma of the real numbers, $(\mathbb{R};+)$. Does there exist a subset $S$ of the reals whi …
- 2,013
8
votes
2
answers
582
views
Is the equational theory of groups axiomatized by the associative law?
Consider the class of groups in the signature {*}. Is the equational theory of that class axiomatized by the associative law? I asked this on math stack exchange but I didn't receive a satisfactory an …
- 2,013