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Theorem valuation.ne_zero_iff

Modification history

2022-07-26 18:06
src/ring_theory/valuation/basic.lean
feat(ring_theory/valuation/valuation_subring): define maximal ideal of valuation subring and provide basic API (#14656) …
Modified valuation.ne_zero_iffView on Github →
2021-03-02 22:25
src/ring_theory/valuation/basic.lean
refactor(ring_theory/valuation): valuations in `linear_ordered_comm_monoid_with_zero` (#6500) …
Modified valuation.ne_zero_iffView on Github →
2020-07-01 07:55
src/ring_theory/valuation/basic.lean
feat(ring_theory/valuation): definition and basic properties of valuations (#3222) …
Added valuation.ne_zero_iffView on Github →