Three main rules of an OOPS system
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  We say a language system is an OOPS system when it has the following
  three rules:

  * Encapsulation
  * Polimorphism
  * Inheritance

  Using CA-Clipper with OBJECTS.LIB we get these three rules, so from
  that moment we may say :


  CA-Clipper with Objects.LIB is a true Object Oriented Programming System!