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	  >norf :: [Int] -&gt; Int
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	  ><span class="hs-identifier hs-var hs-var hs-var"
	    >norf</span
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	>[Int] -&gt; Int
forall a. Num a =&gt; [a] -&gt; a
forall (t :: * -&gt; *) a. (Folda