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visits member for 3 years, 7 months
seen Aug 22 at 12:20

Apr
9
comment What is the tangent plane equation on the 3 spheres?
Oh, I see. I'm being dim today.
Apr
9
answered What is the tangent plane equation on the 3 spheres?
Apr
3
comment Minimal axioms for a group
Thanks, Arturo. This is one of those things that I'd been wondering about every now and then, but I never thought of it when I was in the same room as Sarah's copy of Herstein.
Apr
3
awarded  Scholar
Apr
3
accepted Minimal axioms for a group
Apr
3
comment Minimal axioms for a group
Ugh. Thanks, Chris. I'd even been looking at that example, but just not making the leap from "everything is an identity" to "therefore, everything is an inverse".
Apr
3
awarded  Supporter
Apr
3
awarded  Student
Apr
3
asked Minimal axioms for a group