Mathlib Map

Theorems · Theorem · ring theory

AddMonoidAlgebra.counit_single

∀ {R : Type u_1} [inst : CommSemiring R] {A : Type u_2} [inst_1 : Semiring A] {X : Type u_3} [inst_2 : Module R A]
  [inst_3 : Coalgebra R A] (x : X) (a : A),
  CoalgebraStruct.counit (AddMonoidAlgebra.single x a) = CoalgebraStruct.counit a
Defined in
Mathlib.RingTheory.Coalgebra.MonoidAlgebra
Cited by
5 results in Mathlib
Foundations
Depth 83 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommSemiringSemiringModuleCoalgebra

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites11

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by5

Results whose statement or proof uses this declaration.