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Phenomenon and Concept


  • A phenomenon is a thing in the “real” world that has individual existence.
    • an object
  • A concept is a generalization, derived from a set of phenomena and based on the common properties of these phenomena.
    • a class
  • Characteristics of a concept 
    • A name
    • Intension, the set of properties of the phenomenon 
    • Extension, the set of phenomena covered by the concept 


Classification and Exemplification, Examples

  • • hat, 23, 34, mouse, telephone, book, 98, 45.34, hello
    • numbers: 23, 34, 98, 45.34 
    • words: hat, mouse, telephone, book, hello
  • mouse, tyrannosaurus rex, allosaurus, elephant, velociraptor
    • dinosaur: tyrannosaurus rex, allosaurus, velociraptor
    • mammal: mouse, elephant
  • A classification is a description of which phenomena that belongs to a concept.
  • An exemplification is a phenomenon that covers the concept
 

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