Proper Semantics for Substructural Logics,from a Stalker Theoretic Point of View |
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Authors: | Sato Kentaro |
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Affiliation: | (1) Department of Mathematics, University of Michigan, Ann Arbor, MI, U.S.A.;(2) Graduate School of Science and Technology, Kobe University, Kobe, Hyogo, Japan |
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Abstract: | We study filters in residuated structures that are associated with congruence relations (which we call -filters), and develop a semantical theory for general substructural logics based on the notion of primeness for those filters. We first generalize Stone’s sheaf representation theorem to general substructural logics and then define the primeness of -filters as being “points” (or stalkers) of the space, the spectrum, on which the representing sheaf is defined. Prime FL-filters will turn out to coincide with truth sets under various well known semantics for certain substructural logics. We also investigate which structural rules are needed to interpret each connective in terms of prime -filters in the same way as in Kripke or Routley-Meyer semantics. We may consider that the set of the structural rules that each connective needs in this sense reflects the difficulty of giving the meaning of the connective. A surprising discovery is that connectives , ⅋ of linear logic are linearly ordered in terms of the difficulty in this sense. Presented by Wojciech Buszkowski |
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Keywords: | general semantics of substructural logics meta deduction relation deductive filter primeness Stone’ s sheaf representation site stalker meaning of connectives |
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