mathlib
184e0fe4
- fix(equiv/ring): fix bad typeclasses on ring_equiv.trans_apply (#7258)
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4 years ago
fix(equiv/ring): fix bad typeclasses on ring_equiv.trans_apply (#7258) `ring_equiv.trans` had weaker typeclasses than the lemma which unfolds it.
Author
eric-wieser
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77f5fb33
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