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Theorem is_ideal.exists_inv

Modification history

2018-08-10 08:50
ring_theory/ideals.lean
refactor(ring_theory/ideals): avoid using type class inference for setoids in quotient rings and groups (#212)
Deleted is_ideal.exists_invView on Github →
2018-07-17 17:16
ring_theory/ideals.lean
feat(ring_theory/ideals): quotient rings (#196)
Added is_ideal.exists_invView on Github →