fallaciousness
  不合理;謬誤
  Fal·la·cious a.  Embodying or pertaining to a fallacy; illogical; fitted to deceive; misleading; delusive; as, fallacious arguments or reasoning. -- Fal*la*cious*ly, adv. -Fal*la*cious*ness, n.
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  fallaciousness
       n : result of a fallacy or error in reasoning