Business and Personal Finance Dictionary

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• MEASURE
  
  A function that maps a set into the positive portion of the real line. Examples: 1. Length is a measure for subsets of the real line. Add the lengths of subsets of contiguous points in a set to get a positive real number. 2. Area is a measure for sets in the Cartesian plane. Take any rectangular set of points and compute its area by multiplying length by width to get a non negative real number. 3. Probability measure (q.v.).
  
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