Mathlib Map

Structures · Algebra

NonUnitalSubsemiringClass

NonUnitalSubsemiringClass S R states that S is a type of subsets s ⊆ R that are both an additive submonoid and also a multiplicative subsemigroup.

Defined in
Mathlib.RingTheory.NonUnitalSubsemiring.Defs
Shape
2 explicit arguments · adds mul_mem

Extends1

Extended by1

Concrete types that are instances5

  • NonUnitalSubalgebra
  • NonUnitalStarSubalgebra
  • NonUnitalSubsemiring
  • NonUnitalStarSubsemiring
  • Ideal

How is a type an instance?

Loading the hierarchy index…

Assumed by41

Ancestors3