Theorem Subring.one_mem_toNonUnitalSubring
Modification history
2023-09-12 09:41
Mathlib/Algebra/Algebra/Subalgebra/Unitization.lean
feat: maps from the unitization of non-unital subobjects of unital algebras (#6372) …
Added Subring.one_mem_toNonUnitalSubringView on Github →