Commit 2023-05-31 01:08 3026bb9e
View on Github →chore: remove sup from union_congr_left statement (#4481) This appears to have been accidental. Added in https://github.com/leanprover-community/mathlib/pull/15439
chore: remove sup from union_congr_left statement (#4481) This appears to have been accidental. Added in https://github.com/leanprover-community/mathlib/pull/15439