Theorem Cardinal.ord_aleph0

Modification history

2024-10-16 11:05

Mathlib/SetTheory/Ordinal/Arithmetic.lean

feat(SetTheory/Cardinal/Aleph): define initial ordinals (#16964)

Modified Cardinal.ord_aleph0 View on Github →

2023-02-16 08:59

Mathlib/SetTheory/Ordinal/Arithmetic.lean

feat: port SetTheory.Ordinal.Arithmetic (#2271)

Added Cardinal.ord_aleph0 View on Github →