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@moznion
Created July 29, 2012 12:21
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スタートHaskell 2 第2回目演習 論理演算
myNot :: Bool -> Bool
myNot True = False
myNot _ = True
myAnd :: Bool -> Bool -> Bool
myAnd True b = b
myAnd _ _ = False
myOr :: Bool -> Bool -> Bool
myOr False b = b
myOr _ _ = True
myXor :: Bool -> Bool -> Bool
myXor True b = myNot b
myXor False b = b
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