Theorem Cardinal.aleph_zero

Modification history

2024-10-23 09:32
Mathlib/SetTheory/Cardinal/Aleph.lean
refactor(SetTheory/Cardinal/Aleph): `aleph'` → `preAleph` (#18099) …
Modified Cardinal.aleph_zeroView on Github →
2024-10-16 00:08
Mathlib/SetTheory/Cardinal/Aleph.lean
feat(SetTheory/Cardinal/Aleph): add notation for `aleph` and `beth` (#17671)
Modified Cardinal.aleph_zeroView on Github →
2024-10-11 12:40
Mathlib/SetTheory/Cardinal/Aleph.lean
chore(SetTheory/Cardinal/Ordinal): split file (#16990) …
Modified Cardinal.aleph_zeroView on Github →
2024-10-03 10:05
Mathlib/SetTheory/Cardinal/Ordinal.lean
refactor(SetTheory/Ordinal/Basic): deprecate Ordinal.omega in favor of Ordinal.omega0 (#17158) …
Modified Cardinal.aleph_zeroView on Github →
2024-09-16 10:17
Mathlib/SetTheory/Cardinal/Ordinal.lean
refactor(SetTheory/Cardinal/Ordinal): make `Cardinal.aleph'` an order iso (#16220) …
Modified Cardinal.aleph_zeroView on Github →
2023-02-23 13:50
Mathlib/SetTheory/Cardinal/Ordinal.lean
feat: port SetTheory.Cardinal.Ordinal (#2463)
Added Cardinal.aleph_zeroView on Github →