xor assoc truth table
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| Language | Haskell |
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| Owner | mjg.py3 |
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| Modified | |
| Visibility | Public |
data Bit = On | Off deriving Eq
bits = [On, Off]
xor On Off = On
xor Off On = On
xor _ _ = Off
results = do
x <- bits
y <- bits
z <- bits
return $ xor (xor x y) z == xor x (xor y z)
main = print $ and results
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