Theorem TwoSidedIdeal.add_mem

Modification history

2026-05-29 13:23

Mathlib/RingTheory/TwoSidedIdeal/Basic.lean

chore: bump toolchain to v4.31.0-rc1 (#39980)

Modified TwoSidedIdeal.add_mem View on Github →

2024-07-05 15:27

Mathlib/RingTheory/TwoSidedIdeal/Basic.lean

feat(RingTheory/TwosidedIdeal/Basic): define two-sided-ideal (#13902)

Added TwoSidedIdeal.add_mem View on Github →