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Theorems · Definition · ring theory

RingHom.id

(α : Type u_5) → [inst : NonAssocSemiring α] → α →+* α

The identity ring homomorphism from a semiring to itself.

Defined in
Mathlib.Algebra.Ring.Hom.Defs
Cited by
18,349 results in Mathlib
Foundations
Depth 12 from the axioms, rests on 98 definitions · uses no axioms
Assumes
NonAssocSemiring

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Cited by21,578

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