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Theorems · Definition · ring theory

NonUnitalSubsemiring.unitization

{R : Type u_1} →
  {S : Type u_2} →
    [inst : Semiring R] →
      [inst_1 : SetLike S R] → [hSR : NonUnitalSubsemiringClass S R] → (s : S) → Unitization ℕ ↥s →ₐ[ℕ] R

The natural -algebra homomorphism from the unitization of a non-unital subsemiring to its Subsemiring.closure.

Defined in
Mathlib.Algebra.Algebra.Subalgebra.Unitization
Cited by
2 results in Mathlib
Foundations
Depth 36 from the axioms · uses propext, Quot.sound
Assumes
SemiringSetLikeNonUnitalSubsemiringClass

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