Theorem Ordinal.isOpen_iff

Modification history

2025-07-11 17:39

Mathlib/SetTheory/Ordinal/Topology.lean

refactor(SetTheory/Ordinal/Arithmetic): `Ordinal.IsLimit` → `Order.IsSuccLimit` (#26643) …

Modified Ordinal.isOpen_iff View on Github →

2023-02-18 18:40

Mathlib/SetTheory/Ordinal/Topology.lean

feat: port SetTheory.Ordinal.Topology (#2342)

Added Ordinal.isOpen_iff View on Github →