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EtymologyEdit

semi- +‎ measure

NounEdit

semimeasure (plural semimeasures)

  1. (mathematics) A function that assigns a non-negative number to each element of a set that is subadditive.
    • 2015, T.F. Sterkenburg, “A generalized characterization of algorithmic probability”, in arXiv[1]:
      A universal a priori semimeasure (also known as "algorithmic probability") is defined as the transformation, by a given universal monotone Turing machine, of the uniform measure on the infinite strings.