[Haskell Cheat Sheets] (https://gist.github.com/vpayno/0a7db3ff9a4fac8774c5)
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== Equals
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/= Not Equals
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< Less Than
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> Greater Than
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<= Less Than or Equals
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>= Greater Than or Equals
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&& and
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|| or
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not negates expression
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True
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False