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A Temporal Logic for Sortals

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Abstract

With the past and future tense propositional operators in its syntax, a formal logical system for sortal quantifiers, sortal identity and (second order) quantification over sortal concepts is formulated. A completeness proof for the system is constructed and its absolute consistency proved. The completeness proof is given relative to a notion of logical validity provided by an intensional semantic system, which assumes an approach to sortals from a modern form of conceptualism.

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Freund, M.A. A Temporal Logic for Sortals. Studia Logica 69, 351–380 (2001). https://doi.org/10.1023/A:1013840126121

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  • DOI: https://doi.org/10.1023/A:1013840126121

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