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