We explore how the technique of canonical formulas can be applied in studying a paraconsistent analog Ls of the known intermediate Scott logic SL. Canonical formulas are defined which axiomatize Ls relative to minimal logic and allow us to describe all countermodels of the logic in question.
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A. Chagrov and M. Zakharyaschev, “The undecidability of the disjunction property of propositional logics and other related problems,” J. Symb. Log., 58, No. 3, 967-1002 (1993).
P. Minari, “On the extensions of intuitionistic propositional logic with Kreisel–Putnam’s and Scott’s schemes,” Stud. Log., 45, No. 1, 55-68 (1986).
D. M. Gabbay and D. H. de Jongh, “A sequence of decidable finitely axiomatizable intermediate logics with the disjunction property,” J. Symb. Log., 39, No. 1, 67-78 (1974).
H. Rasiowa, An Algebraic Approach to Non-Classical Logics, Stud. Log. Found. Math., 78, North-Holland, Amsterdam (1974).
K. Segerberg, “Propositional logics related to Heyting’s and Johansson’s,” Theoria, 34, 26-61 (1968).
S. P. Odintsov, “Representations of j-algebras and Segerberg’s logics,” Log. Anal., Nouv. Sér., 42, Nos. 165/166, 81-106 (1999).
S. P. Odintsov, “On the structure of paraconsistent extensions of Johansson’s logic,” J. Appl. Log., 3, No. 1, 43-65 (2005).
M. V. Stukachyova, “Canonical formulas for extensions of minimal logic,” Sib. Electr. Math. Rep. (http://semr.math.nsc.ru), 3, 312-334 (2006).
S. P. Odintsov, “Algebraic semantics and Kripke semantics for extensions of minimal logic,” Log. Invest. (http://www.logic.ru/LogStud/02/No2-06.html), 2 (1999).
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Supported by RFBR (project No. 09-01-00090-a) and by the Council for Grants (under RF President) for State Support of Leading Scientific Schools (grant NSh-335.2008.1).
Translated from Algebra i Logika, Vol. 48, No. 4, pp. 495-519, July-August, 2009.
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Stukachyova, M.V. Canonical formulas for a paraconsistent analog of the Scott logic. Algebra Logic 48, 282–297 (2009). https://doi.org/10.1007/s10469-009-9059-8
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DOI: https://doi.org/10.1007/s10469-009-9059-8