Mathlib v3 is deprecated. Go to Mathlib v4

Theorem valuation_subring.mem_principal_unit_group_iff

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.mem_principal_unit_group_iffView on Github →