finEquivMultiples

{G : Type u_1} → [inst : AddMonoid G] → {x : G} → IsOfFinAddOrder x → Fin (addOrderOf x) ≃ ↥(AddSubmonoid.multiples x)

The equivalence between Fin (addOrderOf a) and AddSubmonoid.multiples a, sending i to i • a

Defined in: Mathlib.GroupTheory.OrderOfElement
Cited by: 7 results in Mathlib
Foundations: Depth 29 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: AddMonoid

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