∀ {𝕜 : Type u_1} [inst : Field 𝕜] (p : 𝕜) [inst_1 : LinearOrder 𝕜] [inst_2 : IsStrictOrderedRing 𝕜] [hp : Fact (0 < p)]
  [inst_3 : FloorRing 𝕜] (x : 𝕜), ↑((AddCircle.equivIco p 0) ↑x) = Int.fract (x / p) * p