Theorem SetRel.leftDual_rightDual_le_of_le

Modification history

2025-08-13 00:55
Mathlib/Order/Rel/GaloisConnection.lean
refactor: rename `Rel` to `SetRel`, restore the old `Rel` (#27447) …
Added SetRel.leftDual_rightDual_le_of_leView on Github →