∀ {α : Type u} {β : Type v} [inst : TopologicalSpace α] [inst_1 : TopologicalSpace β] [inst_2 : Zero β] {G : Type u_2}
  [inst_3 : FunLike G α β] [ContinuousMapClass G α β] [CompactSpace α], ZeroAtInftyContinuousMapClass G α β