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Certainty and uncertainty versus precision and vagueness

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  • Walenty Ostasiewicz

Abstract

In this paper it is argued that uncertainty and vagueness are two distinct empirical phenomena and they must be explored by means of two distinct theories: probability theory and fuzzy sets theory respectively. The assertions of the first theory can be verified to be true or false in some model, on the contrary, the typical expressions of fuzzy sets theory are not interpreted in any domain, they rather form a kind of interpretation.

Suggested Citation

  • Walenty Ostasiewicz, 2003. "Certainty and uncertainty versus precision and vagueness," Operations Research and Decisions, Wroclaw University of Science and Technology, Faculty of Management, vol. 13(4), pages 139-148.
    • Handle: RePEc:wut:journl:v:4:y:2003:p:12
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