22 lines
372 B
Text
22 lines
372 B
Text
import bool
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using bool
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variable list : Type.{1}
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variable nil : list
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variable cons : bool → list → list
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infixr `::`:65 := cons
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notation `[` l:(foldr `,` (h t, cons h t) nil `]`) := l
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check []
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check [tt]
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check [tt, ff]
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check [tt, ff, ff]
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check tt :: ff :: [tt, ff, ff]
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check tt :: []
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variables a b c : bool
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check a :: b :: nil
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check [a, b]
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check [a, b, c]
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check []
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