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Theorem not_unit_of_mem_proper_ideal

Modification history

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