Theorem subset_of_subset_of_eq

Modification history

2026-07-06 15:50
Mathlib/Order/RelClasses.lean
feat: use `LE.le` for subset relation in `Set`, `Finset`, `PSet`, `ZFSet`, `Class` (#32983) …
Deleted subset_of_subset_of_eqView on Github →
2023-12-02 15:52
Mathlib/Order/RelClasses.lean
chore: space after `←` (#8178)
Modified subset_of_subset_of_eqView on Github →
2023-01-11 08:02
Mathlib/Order/RelClasses.lean
feat: A set is either a subsingleton or nontrivial (#1047) …
Added subset_of_subset_of_eqView on Github →