λ(nix : ../NixPrelude.dhall) →
  let Number = ./Type.dhall

  let Bool/not =
        https://prelude.dhall-lang.org/Bool/not.dhall
          sha256:723df402df24377d8a853afed08d9d69a0a6d86e2e5b2bac8960b0d4756c7dc4

  let Number/lessThan = ./lessThan.dhall nix

  in  λ(a : Number) → λ(b : Number) → Bool/not (Number/lessThan a b)