∫ Утверждение Mathlib
instCommSemigroupColex
Mathlib.Algebra.Order.Group.Synonym
URI: https://scilib.ai/kg/mathlib#instCommSemigroupColex
∫ Утверждение Mathlib
Mathlib.Algebra.Order.Group.Synonym
URI: https://scilib.ai/kg/mathlib#instCommSemigroupColex