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[Merged by Bors] - feat(group_theory/subgroup) top is a normal subgroup #4982

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@alexjbest alexjbest commented Nov 11, 2020

@tb65536
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tb65536 commented Nov 12, 2020

I don't know what's preferred, but you can also prove this quickly by proving conj_mem from mem_top
(i.e., ⟨λ _ _, mem_top⟩)

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Sure that makes a shorter term so why not!

@alexjbest alexjbest added the awaiting-review The author would like community review of the PR label Nov 12, 2020
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Thanks!
bors r+

@github-actions github-actions bot added ready-to-merge All that is left is for bors to build and merge this PR. (Remember you need to say `bors r+`.) and removed awaiting-review The author would like community review of the PR labels Nov 12, 2020
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bors bot commented Nov 12, 2020

Pull request successfully merged into master.

Build succeeded:

@bors bors bot changed the title feat(group_theory/subgroup) top is a normal subgroup [Merged by Bors] - feat(group_theory/subgroup) top is a normal subgroup Nov 12, 2020
@bors bors bot closed this Nov 12, 2020
@bors bors bot deleted the top_normal branch November 12, 2020 06:06
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3 participants