Theorem Subsemiring.mem_toNonUnitalSubsemiring

Modification history

2025-01-12 20:22
Mathlib/Algebra/Algebra/Subalgebra/Unitization.lean
chore(Subalgebra/Unitization): move unrelated defs/lemmas earlier (#20526) …
Modified Subsemiring.mem_toNonUnitalSubsemiringView on Github →
2025-01-02 11:03
Mathlib/Algebra/Algebra/Subalgebra/Unitization.lean
feat(Algebra): add missing substructure lemmas (#20269) …
Added Subsemiring.mem_toNonUnitalSubsemiringView on Github →