Theorem Cardinal.aleph_mul_aleph0

Modification history

2024-10-22 15:31
Mathlib/SetTheory/Cardinal/Arithmetic.lean
chore: use new `ℵ_` and `ℶ_` notation (#18066)
Modified Cardinal.aleph_mul_aleph0View on Github →
2023-02-23 13:50
Mathlib/SetTheory/Cardinal/Ordinal.lean
feat: port SetTheory.Cardinal.Ordinal (#2463)
Added Cardinal.aleph_mul_aleph0View on Github →