#riddance__elimination  the act of removing or getting rid of something
  supertype:  #removal__remotion  the act of removing; "he had surgery for the removal of a malignancy"
  subtype:  #simplification  elimination of superfluous details
     subtype:  #oversimplification  excessive simplification (to the point of misrepresentation)
     subtype:  #rationalization__rationalisation  (math) the simplification of an expression or equation by eliminating radicals without changing the value of the expression or the roots of the equation

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