greaterThanEqual

{-
`greaterThanEqual` checks if one Natural is greater than or equal to another.
-}
let Bool/not =
        ../Bool/not sha256:723df402df24377d8a853afed08d9d69a0a6d86e2e5b2bac8960b0d4756c7dc4
      ? ../Bool/not

let lessThan =
        ./lessThan sha256:d8a37951fd3f88dcc3927c20b73e6c53499f5275d949eed59bb77ea748492bf0
      ? ./lessThan

let greaterThanEqual
    : Natural → Natural → Bool
    = λ(x : Natural) → λ(y : Natural) → Bool/not (lessThan x y)

let example0 = assert : greaterThanEqual 5 6 ≡ False

let example1 = assert : greaterThanEqual 5 5 ≡ True

let example1 = assert : greaterThanEqual 5 4 ≡ True

in  greaterThanEqual