Add a generic UARel lemma to prove EquivJ for groups #1135
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Very nice! I don't remember seeing any other instances... so I'll just merge this. |
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Any univalent reflexive graph has a version of EquivJ, so we don't have to prove this by hand.
I didn't look to see if this is also proven by hand for algebraic structures other than groups, but if you point me to some I can update those too.