Theorem RingEquiv.image_eq_preimage

Modification history

2025-11-07 10:44
Mathlib/Algebra/Ring/Equiv.lean
refactor(Logic/Equiv): rename `image_eq_preimage` to `image_symm_eq_preimage`/`image_eq_preimage_symm` (#31130) …
Deleted RingEquiv.image_eq_preimageView on Github →
2022-12-26 14:51
Mathlib/Algebra/Ring/Equiv.lean
feat: port `Algebra.Ring.Equiv` (#1077) …
Added RingEquiv.image_eq_preimageView on Github →