Canonical Gentzen-Type Calculi with (n,k)-ary Quantifiers

  • Anna Zamansky
  • Arnon Avron
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4130)


Propositional canonical Gentzen-type systems, introduced in [1], are systems which in addition to the standard axioms and structural rules have only logical rules in which exactly one occurrence of a connective is introduced and no other connective is mentioned. [1] provides a constructive coherence criterion for the non-triviality of such systems and shows that a system of this kind admits cut-elimination iff it is coherent. The semantics of such systems is provided using two-valued non-deterministic matrices (2Nmatrices). [14] extends these results to systems with unary quantifiers of a very restricted form. In this paper we substantially extend the characterization of canonical systems to (n,k)-ary quantifiers, which bind k distinct variables and connect n formulas. We show that the coherence criterion remains constructive for such systems, and that for the case of k∈{0,1}: (i) a canonical system is coherent iff it has a strongly characteristic 2Nmatrix, and (ii) if a canonical system is coherent, then it admits cut-elimination.


Function Symbol Predicate Symbol Canonical System Introduction Rule Syllogistic Reasoning 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Anna Zamansky
    • 1
  • Arnon Avron
    • 1
  1. 1.Tel Aviv UniversityIsrael

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