∫ Утверждение Mathlib
of_subsingleton
Mathlib.RingTheory.Idempotents
URI: https://scilib.ai/kg/mathlib#CompleteOrthogonalIdempotents.of_subsingleton
∫ Утверждение Mathlib
Mathlib.RingTheory.Idempotents
URI: https://scilib.ai/kg/mathlib#CompleteOrthogonalIdempotents.of_subsingleton