∫ Утверждение Mathlib
fact_isRegular_aleph0
Mathlib.SetTheory.Cardinal.Regular
URI: https://scilib.ai/kg/mathlib#Cardinal.fact_isRegular_aleph0
∫ Утверждение Mathlib
Mathlib.SetTheory.Cardinal.Regular
URI: https://scilib.ai/kg/mathlib#Cardinal.fact_isRegular_aleph0