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de- +‎ categorification


decategorification (plural decategorifications)

  1. (mathematics) The reverse process of categorification: The mapping of a category theoretic category to a set by using a systematic process in which isomorphic objects in a category are identified as equal.
    • 2013, Octavian Iordache, Polytope Projects, →ISBN, page 6:
      For the n-levels systems approach we may associate categorification with increasing the level and decategorification with decreasing the level of complexity.