Theorem ZFSet.isOrdinal_iff_trichotomous

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)
Added ZFSet.isOrdinal_iff_trichotomousView on Github →