diff options
Diffstat (limited to 'Nominal/Helpers')
| -rw-r--r-- | Nominal/Helpers/CountableString.lean | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Nominal/Helpers/CountableString.lean b/Nominal/Helpers/CountableString.lean index 7d94516..b6f59f8 100644 --- a/Nominal/Helpers/CountableString.lean +++ b/Nominal/Helpers/CountableString.lean @@ -2,7 +2,7 @@ import Mathlib instance : Countable Char where exists_injective_nat' := by - exists Char.toNat + use Char.toNat intro c₁ c₂ hc rw [Char.toNat, Char.toNat, UInt32.toNat_inj] at hc exact Char.eq_of_val_eq hc |