A note of postulates

A postulate is an assumption that is an essential prerequisite to carrying out some operations or some thinking. In this case it is an assumption about the relations between the objects being measured.

There are three important postulates;

  1. Either (a=b) or (a≠b) but not both. This postulate is necessary for classification in data analysis.
  2. If (a=b) and (b=c), then (a=c). This postulate enables a measurement to establish the equality of set numbers on a characteristic by comparing objects.
  3. If (a b) and (b c) then (a c). This is an important postulate and most measurements in marketing research depend on it.
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