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  1. The lattice of strengthenings of a strongly finite consequence operation.Wiesław Dziobiak - 1981 - Studia Logica 40 (2):177 - 193.
    First, we prove that the lattice of all structural strengthenings of a given strongly finite consequence operation is both atomic and coatomic, it has finitely many atoms and coatoms, each coatom is strongly finite but atoms are not of this kind — we settle this by constructing a suitable counterexample. Second, we deal with the notions of hereditary: algebraicness, strong finitisticity and finite approximability of a strongly finite consequence operation. Third, we formulate some conditions which tell us when the lattice (...)
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  • A strongly finite logic with infinite degree of maximality.Marek Tokarz - 1976 - Studia Logica 35 (4):447 - 451.
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  • Degrees of maximality of Łukasiewicz-like sentential calculi.Grzegorz Malinowski - 1977 - Studia Logica 36 (3):213 - 228.
    The paper is concerned with the problem of characterization of strengthenings of the so-called Lukasiewicz-like sentential calculi. The calculi under consideration are determined byn-valued Lukasiewicz matrices (n>2,n finite) with superdesignated logical values. In general. Lukasiewicz-like sentential calculi are not implicative in the sense of [7]. Despite of this fact, in our considerations we use matrices analogous toS-algebras of Rasiowa. The main result of the paper says that the degree of maximality of anyn-valued Lukasiewicz-like sentential calculus is finite and equal to (...)
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  • Structuralisme et empirisme: l'approche ensembliste des théories physiques.Jean Leroux - 1986 - Dialogue 25 (1):143-.
    La parution de la monographic de Sneed,The Logical Structure of Mathematical Physics a suscité un renouveau d'intérêt en philosophie contemporaine des sciences. Cet ouvrage arrivait à un moment où l'épistémologie des sciences, telle que développée dans les milieux germaniques et anglo-saxons, accusait de graves insuffisances dans la reconstruction rationnelle du développement historique des théories physiques. Mis sur la défensive par les thèses et arguments historiques de Kuhn et de Feyerabend, ces milieux « orthodoxes » devaient reconnaitre l'état embryonnaire de ce (...)
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  • Review. [REVIEW]Veikko Rantala - 1991 - Synthese 86 (2):297-319.
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  • On the structuralist approach to the dynamics of theories.Raimo Tuomela - 1978 - Synthese 39 (2):211 - 231.
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  • On finitely based consequence operations.Andrzej Wroński - 1976 - Studia Logica 35 (4):453 - 458.
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  • The degrees of maximality of the intuitionistic propositional logic and of some of its fragments.Wiesław Dziobiak - 1981 - Studia Logica 40 (2):195 - 198.
    Professor Ryszard Wójcicki once asked whether the degree of maximality of the consequence operationC determined by the theorems of the intuitionistic propositional logic and the detachment rule for the implication connective is equal to ? The aim of the present paper is to give the affirmative answer to the question. More exactly, it is proved here that the degree of maximality ofC — the — fragment ofC, is equal to , for every such that.
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  • A note on direct products and ultraproducts of logical matrices.Jan Zygmunt - 1974 - Studia Logica 33 (4):349 - 357.
    In this contribution we shall characterize matrix consequence operation determined by a direct product and an ultraproduct of a family of logical matrices. As an application we shall describe finite consequence operations with the help of ultrapowers.
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