Theorem Order.Preimage.isAntisymm

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)
Deleted Order.Preimage.isAntisymmView on Github →
2025-02-13 21:54
Mathlib/Order/RelClasses.lean
chore(Order/RelClasses): add missing instances (#21808) …
Added Order.Preimage.isAntisymmView on Github →