Mathlib v3 is deprecated. Go to Mathlib v4

Theorem cardinal.omega_lt_aleph_one

Modification history

2022-06-05 07:36
src/set_theory/cardinal/ordinal.lean
refactor(set_theory/*): change `omega` to `aleph_0` + golf (#14467) …
Deleted cardinal.omega_lt_aleph_oneView on Github →
2022-03-05 10:56
src/set_theory/cardinal_ordinal.lean
feat(measure_theory/card_measurable_space): cardinality of generated sigma-algebras (#12422) …
Added cardinal.omega_lt_aleph_oneView on Github →