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Theorem is_ideal.neg_iff

Modification history

2018-11-05 10:47
ring_theory/ideals.lean
feat(linear_algebra,ring_theory): refactoring modules (#456) …
Deleted is_ideal.neg_iffView on Github →
2018-07-17 17:16
ring_theory/ideals.lean
feat(ring_theory/ideals): quotient rings (#196)
Added is_ideal.neg_iffView on Github →