quod·li·bet /ˈkwɑdləˌbɛt/
  神學上的論爭,雜亂的混成曲
  Quod·li·bet n.
  1. A nice point; a subtilty; a debatable point.
     These are your quodlibets, but no learning.   --P. Fletcher.
  2. Mus. A medley improvised by several performers.
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  quodlibet
       n : an issue that is presented for formal disputation