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GHC 10.0.0.20260917 · lts/ghc-10.0.x · 8174fa4 · 2026-10-11

Modulegenvalidity-property-1.0.0.0Haskell2010

Test.Validity.Relations.Symmetry

  • 4 values
valuesymmetricOnElems
  1. :: (a -> a -> Bool)

    A relation

  2. -> a
  3. -> a

    Two elements

  4. -> Bool
#

Symmetric(\prec) \quad\equiv\quad \forall a, b: (a \prec b) \Leftrightarrow (b \prec a)

valuesymmetry :: (Show a, GenValid a) => (a -> a -> Bool) -> Property
#
Property
symmetry ((==) :: Int -> Int -> Bool)
Property
symmetry ((/=) :: Int -> Int -> Bool)