References
J. J. Blaszczuk andW. Dziobiak,Modal systems related to S4 n of Sobociński,Bulletin of the Section of Logic, Polish Academy of Sciences, Institute of Philosophy and Sociology. Vol. 4 No. 3 (1975), pp. 103–108.
J. J. Blaszczuk andW. Dziobiak.Modal systems “placed” in the triangle S4−T *1 −T,Bulletin of the Section of Logic, Polish Academy of Sciences, Institute of Philosophy and Sociology, Vol. 4 No. 4, (1975), pp. 138–142.
J. J. Blaszczuk andW. Dziobiak,An axiomatization of M n-counterparts for some modal calculi,Reports on Mathematical Logic, Vol. 6 (1976), pp. 3–6.
W. Dziobiak,Kripke's style semantics for some modal systems.Bulletin of Section of Logic, Polish Academy of Sciences, Institute of Philosophy and Sociology Vol. 5, No. 2, (1976), pp. 63–67.
T. Furmanowski,Remarks on discussive propositional calculus,Studia Logica, Vol. XXXIV, (1975), No. 1, pp. 39–43.
G. H. Hughes andM. J. Creswell,An Introduction to Modal Logic, London, 1968.
J. Kotas,An axiomatization on Jaśkowski's diseussive system,Studia Logica Vol. XXXIII No. 2, (1974), pp. 195–199.
J. Perzanowski.On M-fragments and L-fragments of normal modal propositional logic,Reports on Mathematical Logic, Vol. 5 (1975), pp. 63–72.
K. Segerberg,An Essay in Classical Modal Logic, Filosofiska Studier utgivna av Filosofiska Foreningen och Filosofiska Institutionen vid Uppsala Universitet, No. 13, Uppsala 1971.
Author information
Authors and Affiliations
Additional information
The authors are indebted to Dr. J. Perzanowski for his suggestions which were of great help in improving the paper.
Allatum est die 27 Maii 1976
Rights and permissions
About this article
Cite this article
Blaszczuk, J.J., Dziobiak, W. Modal logics connected with systems S4n of Sobociński. Stud Logica 36, 151–164 (1977). https://doi.org/10.1007/BF02121260
Issue Date:
DOI: https://doi.org/10.1007/BF02121260