∫ Утверждение Mathlib
toSubsemiring_lt_toSubsemiring
Mathlib.Algebra.Order.Ring.Ordering.Basic
URI: https://scilib.ai/kg/mathlib#RingPreordering.toSubsemiring_lt_toSubsemiring
∫ Утверждение Mathlib
Mathlib.Algebra.Order.Ring.Ordering.Basic
URI: https://scilib.ai/kg/mathlib#RingPreordering.toSubsemiring_lt_toSubsemiring