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2016-08-13 00:18:09 +0200 | commented question | Can I test that a Cayley table represents a group? I just read what appears to be theanswer on http://quora.com: https://www.quora.com/How-do-you-know-if-a-Cayley-table-define-a-group-operation/answer/Justin-Rising?srid=uDgC (Justin Rising's answer). (Always check wikipedia first.) |
2016-08-11 22:54:13 +0200 | commented question | Can I test that a Cayley table represents a group? You're right of course. But I could do that in Python (say). I'm actually asking for something like a test that you would apply to a single number to know whether it's prime: isPrime(7). I'm new to sage, I admit. _To me_ it seems reasonable to be able to pass a table to a constructor and then ask when it satisfies the group axioms. But I would also admit that this doesn't seem to be the way sage is intended to work. |
2016-08-11 20:16:09 +0200 | asked a question | Can I test that a Cayley table represents a group? Or can I test that the operation satisfies the axioms one at a time? |