Theorem subset_antisymm

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 subset_antisymmView on Github →
2023-01-11 08:02
Mathlib/Order/RelClasses.lean
feat: A set is either a subsingleton or nontrivial (#1047) …
Modified subset_antisymmView on Github →
2022-11-18 03:37
Mathlib/Order/RelClasses.lean
feat: port Order.RelClasses (#560) …
Added subset_antisymmView on Github →