Theorem IsGaloisGroup.fixingSubgroup_le_of_le

Modification history

2025-11-27 08:19
Mathlib/FieldTheory/Galois/IsGaloisGroup.lean
feat(FieldTheory/IsGaloisGroup): prove the Galois correspondence for `IsGaloisGroup` (#29688) …
Added IsGaloisGroup.fixingSubgroup_le_of_leView on Github →