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Ring.not_isField_iff_exists_ideal_bot_lt_and_lt_top
Modification history
2023-02-21 09:05
Mathlib/RingTheory/Ideal/Basic.lean
feat: port RingTheory.Ideal.Basic (#2283) …
Added
Ring.not_isField_iff_exists_ideal_bot_lt_and_lt_top
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