pa·ral·o·gism /pəˈræləˌʤɪzəm/
  謬論
  Pa·ral·o·gism n.  Logic A reasoning which is false in point of form, that is, which is contrary to logical rules or formulæ; a formal fallacy, or pseudo-syllogism, in which the conclusion does not follow from the premises.
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  paralogism
       n : an unintentionally invalid argument