Use noDupsList generator for more tests
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@ -182,15 +182,17 @@ unique xs = length xs == (length . nub) xs
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prop_valid_empty = valid []
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prop_valid_dupNoT ss = unique ss ==> valid (ss `zip` repeat NoT)
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prop_valid_dupNoT =
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forAll noDupsList $ \ss ->
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valid (ss `zip` repeat NoT)
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prop_valid_dupT ss ts =
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unique ss
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&& unique ts
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&& length ss > length ts
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&& not (null ts)
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&& NoT `notElem` ts
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==> not . valid $ ss `zip` cycle ts
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prop_valid_dupT =
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forAll noDupsList $ \ss ->
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forAll noDupsList $ \ts' ->
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let ts = filter (/= NoT) ts'
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in length ss > length ts && not (null ts)
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==> not . valid
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$ ss `zip` cycle ts
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prop_valid_noDups =
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forAll noDupsList $ \ss ->
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