Theorems · Definition · ring theory
NonUnitalRingHom.id
(α : Type u_5) → [inst : NonUnitalNonAssocSemiring α] → α →ₙ+* α
The identity non-unital ring homomorphism from a non-unital semiring to itself.
- Defined in
- Mathlib.Algebra.Ring.Hom.Defs
- Cited by
- 20 results in Mathlib
- Foundations
- Depth 7 from the axioms · uses no axioms
- Assumes
- NonUnitalNonAssocSemiring
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites2
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- NonUnitalNonAssocSemiringstatement and proof · cited by 1,081
- NonUnitalRingHomstatement · cited by 157
Cited by23
Results whose statement or proof uses this declaration.
- NonUnitalAlgHom.idproof · cited by 5
- RingEquiv.ofNonUnitalRingHomstatement and proof · cited by 3
- Pi.constNonUnitalRingHomproof · cited by 1
- RingEquiv.symm_toNonUnitalRingHom_comp_toNonUnitalRingHomstatement · cited by 1
- NonUnitalSubring.map_idstatement and proof · cited by 0
- NonUnitalRingHom.comp_idstatement · cited by 0
- RingCon.comap_nonUnitalRingHomIdstatement · cited by 0
- RingCon.comap_ringConGen_ringEquivproof · cited by 0
- AddMonoidAlgebra.mapDomainNonUnitalRingHom_idstatement · cited by 0
- MonoidAlgebra.mapDomainNonUnitalRingHom_idstatement · cited by 0
- RingEquiv.ofBijective_symm_compstatement and proof · cited by 0
- NonUnitalSubsemiring.map_idstatement and proof · cited by 0