Theorem ZFSet.isOrdinal_iff_isTrichotomous

Modification history

2026-02-06 11:53
Mathlib/SetTheory/ZFC/Ordinal.lean
chore(Order/Defs/Unbundled): deprecate `IsTrichotomous` in favor of core's `Std.Trichotomous` (#34349)
Deleted ZFSet.isOrdinal_iff_isTrichotomousView on Github →
2024-12-15 00:44
Mathlib/SetTheory/ZFC/Ordinal.lean
feat(SetTheory/ZFC/Ordinal): Alternate characterizations of ordinals (#17001) …
Added ZFSet.isOrdinal_iff_isTrichotomousView on Github →