Theorem subset_refl

Modification history

2026-01-09 08:53
Mathlib/Order/RelClasses.lean
chore(Order/Defs/Unbundled): deprecate `IsRefl` in favor of core's `Std.Refl` (#33755)
Modified subset_reflView on Github →
2023-02-22 14:18
Mathlib/Order/RelClasses.lean
chore: update SHA of already forward-ported files (#2181) …
Modified subset_reflView on Github →
2023-01-11 08:02
Mathlib/Order/RelClasses.lean
feat: A set is either a subsingleton or nontrivial (#1047) …
Modified subset_reflView on Github →
2022-11-18 03:37
Mathlib/Order/RelClasses.lean
feat: port Order.RelClasses (#560) …
Added subset_reflView on Github →