Theorem eq_of_subset_of_not_ssubset

Modification history

2026-01-07 07:34
Mathlib/Order/RelClasses.lean
chore(Order/Defs/Unbundled): deprecate `IsAntisymm` in favor of core's `Std.Antisymm` (#33685)
Modified eq_of_subset_of_not_ssubsetView on Github →
2023-12-09 13:26
Mathlib/Order/RelClasses.lean
feat: Finsets and multisets are graded (#8892) …
Added eq_of_subset_of_not_ssubsetView on Github →