Abstract
The logic of inexactness, presented in this paper, is a version of the Łukasiewicz logic with predicates valued in [0, ∞). We axiomatize multi-valued models of equality and ordering in this logic guaranteeing their imbeddibility in the real line. Our axioms of equality and ordering, when interpreted as axioms of proximity and dominance, can be applied to the foundations of measurement (especially in the social sciences). In two-valued logic they provide theories of ratio scale measurement. In multivalued logic they enable us to treat formally errors arising in nominal and ordinal measurements.
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Katz, M. Łukasiewicz logic and the foundations of measurement. Stud Logica 40, 209–225 (1981). https://doi.org/10.1007/BF02584056
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DOI: https://doi.org/10.1007/BF02584056