toRingSeminormClass — Mathlib

English

There is a canonical coercion from EquivLike + OrderIsoClass + MulEquivClass to OrderMonoidIso.

Русский

Существует каноническое приведение из EquivLike + OrderIsoClass + MulEquivClass к OrderMonoidIso.

LaTeX

$$$\text{OrderMonoidIso}(F, \alpha, \beta)$$$

Lean4

instance (priority := 100) toRingSeminormClass [NonAssocRing α] [Semiring β] [PartialOrder β]
    [MulRingSeminormClass F α β] : RingSeminormClass F α β :=
  { ‹MulRingSeminormClass F α β› with map_mul_le_mul := fun _ _ _ => (map_mul _ _ _).le }
    -- See note [lower instance priority]

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