Theorem NumberField.RingOfIntegers.mapRingEquiv_symm_apply

Modification history

2025-09-29 15:10
Mathlib/NumberTheory/NumberField/Basic.lean
feat(NumberField/IsCM): compute the index of the subgroup of real units (#26108) …
Added NumberField.RingOfIntegers.mapRingEquiv_symm_applyView on Github →