Theorems · Definition · ring theory

CoalgEquiv.invFun

{R : Type u_5} →
  [inst : CommSemiring R] →
    {A : Type u_6} →
      {B : Type u_7} →
        [inst_1 : AddCommMonoid A] →
          [inst_2 : AddCommMonoid B] →
            [inst_3 : Module R A] →
              [inst_4 : Module R B] →
                [inst_5 : CoalgebraStruct R A] → [inst_6 : CoalgebraStruct R B] → (A ≃ₗc[R] B) → B → A

The backward map of an equivalence. Do NOT use e.invFun directly. Use the coercion of e.symm instead.

Defined in

Mathlib.RingTheory.Coalgebra.Equiv

Cited by

4 results in Mathlib

Foundations

Depth 4 from the axioms · uses no axioms

Assumes

CommSemiringAddCommMonoidAddCommMonoidModuleModuleCoalgebraStructCoalgebraStruct