Abstract

A classical (crisp) set is normally defined as a collection of elements or objects xX that can be finite, countable, or overcountable. Each single element can either belong to or not belong to a set A, A ⊆ X. In the former case, the statement “x belongs to A” is true, whereas in the latter case this statement is false.

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Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • H.-J. Zimmermann

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