Mathlib v3 is deprecated. Go to Mathlib v4

Theorem cardinal.aleph_is_principal_add

Modification history

2022-03-14 07:05
src/set_theory/cardinal_ordinal.lean
refactor(set_theory/cardinal_ordinal): `aleph_is_principal_aleph` → `principal_add_aleph` (#12663) …
Deleted cardinal.aleph_is_principal_addView on Github →
2022-03-02 06:23
src/set_theory/cardinal_ordinal.lean
feat(set_theory/principal): prove theorems about additive principal ordinals (#11704)
Added cardinal.aleph_is_principal_addView on Github →