Theorems · Definition · ring theory

IsInvariantSubring.subtypeHom

(M : Type u_1) →
  [inst : Monoid M] →
    {R' : Type u_2} →
      [inst_1 : Ring R'] →
        [inst_2 : MulSemiringAction M R'] → (U : Subring R') → [inst_3 : IsInvariantSubring M U] → ↥U →+*[M] R'

The canonical inclusion from an invariant subring.

Defined in

Mathlib.Algebra.Ring.Action.Invariant

Cited by

3 results in Mathlib

Foundations

Depth 32 from the axioms · uses propext, Quot.sound

Assumes

MonoidRingMulSemiringActionIsInvariantSubring