∫ Утверждение Mathlib
length_eq_zero_of_subsingleton_ring
Mathlib.RingTheory.Length
URI: https://scilib.ai/kg/mathlib#Module.length_eq_zero_of_subsingleton_ring
∫ Утверждение Mathlib
Mathlib.RingTheory.Length
URI: https://scilib.ai/kg/mathlib#Module.length_eq_zero_of_subsingleton_ring