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Def valuation_subring.principal_unit_group_equiv

Modification history

2022-08-10 15:00
src/ring_theory/valuation/valuation_subring.lean
feat(ring_theory/valuation/valuation_subring): define principal unit group of valuation subring and provide basic API (#14742) …
Added valuation_subring.principal_unit_group_equivView on Github →