5a7badd69a
This commit addresses any issue described at https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/Eq.2Endrec.20vs.20Eq.2Erec
2 lines
103 B
Text
2 lines
103 B
Text
theorem ex : ∀ {n : Nat} {i j : Fin n}, i = j → i.val = j.val :=
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fun {n} {i j} h => Eq.ndrec rfl h
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