Theorem Subring.unop_le_unop_iff

Modification history

2024-06-18 00:39
Mathlib/Algebra/Ring/Subring/MulOpposite.lean
feat: add definition of opposite of subsemirings, subrings, and subalgebras (#12846) …
Added Subring.unop_le_unop_iffView on Github →