16 lines
535 B
Text
16 lines
535 B
Text
--| `lessThanEqual` checks if one Natural is less than or equal to another.
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let lessThanEqual
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: Natural → Natural → Bool
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= λ(x : Natural) → λ(y : Natural) → Natural/isZero (Natural/subtract y x)
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let example0 = assert : lessThanEqual 5 6 ≡ True
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let example1 = assert : lessThanEqual 5 5 ≡ True
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let example2 = assert : lessThanEqual 5 4 ≡ False
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let property0 = λ(n : Natural) → assert : lessThanEqual 0 n ≡ True
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let property1 = λ(n : Natural) → assert : lessThanEqual n n ≡ True
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in lessThanEqual
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