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  1.  19
    Ryszard Wójcicki (1973). Matrix Approach in Methodology of Sentential Calculi. Studia Logica 32 (1):7 - 39.
  2. Ryszard Wójcicki (1984). Lectures on Propositional Calculi. Pub. House of the Polish Academy of Sciences.
     
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  3. Ryszard Wójcicki (1970). Some Remarks on the Consequence Operation in Sentential Logics. Fundamenta Mathematicae 68 (1):269--279.
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  4.  14
    Ryszard Wójcicki (1973). Dual Counterparts of Consequence Operations. Bulletin of the Section of Logic 2 (1):54-57.
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  5.  11
    Ryszard Wójcicki (1974). The Logics Stronger Than Łukasiewicz's Three Valued Sentential Calculus-the Notion of Degree of Maximality Versus the Notion of Degree of Completeness. Studia Logica 33 (2):201 - 214.
  6.  12
    Ryszard Wójcicki (1979). Referential Matrix Semantics for Propositional Calculi. Bulletin of the Section of Logic 8 (4):170-176.
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  7.  17
    Ryszard Wójcicki (1984). R. Suszko's Situational Semantics. Studia Logica 43 (4):323 - 340.
  8. Ryszard Wójcicki (1979). Topics in the Formal Methodology of Empirical Sciences.
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  9.  20
    Ryszard Wójcicki (2003). A Logic is Referential Iff It is Selfextensional. Studia Logica 73 (3):323 - 335.
    The title of this paper is a theorem, which I am going to state and prove. The theorem extends from prepositional to predicate languages the result I presented in [5].
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  10. Ryszard Wójcicki (1974). Discussion on J. Sneed's The Logical Structure of Mathematical Physics. Studia Logica 33:105.
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  11.  13
    Ryszard Wójcicki (2008). Przyczyna I Wyjaśnianie. Polish Journal of Philosophy 2 (1):175-178.
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  12.  11
    Ryszard Wójcicki (1974). Degree of Maximality Versus Degree of Completeness. Bulletin of the Section of Logic 3 (2):41-43.
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  13.  11
    Ryszard Wójcicki (1975). A Theorem on Strongly Finite Propositional Calculi. Bulletin of the Section of Logic 4 (1):2-6.
    I shall assume that the reader is familiar with the notions dened in [2] and [3]. A consequence C dened over a propositional language L will be said to be d-structural i the consequence dC dual with respect to C is structural. The following propositions holds true.
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  14.  29
    Marek Tokarz & Ryszard Wójcicki (1971). The Problem of Reconstructability of Propositional Calculi. Studia Logica 28 (1):119 - 129.
  15.  9
    Ryszard Wójcicki (1980). More About Referential Matrices. Bulletin of the Section of Logic 9 (2):93-96.
    This paper was presented at the Annual Conference of the Australian Association for Logic, Melbourne, November, 1979. The present note being complementary to [1], I shall only brie y recall the key notions to be exploited here, and for more details the reader is advised to consult [1]. By a propositional logic we mean a couple , where L is a propo- sitional language and C a structural consequence de- ned on L. A couple W = is said to be (...)
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  16.  8
    Ryszard Wójcicki (1981). Is There Any Need for Non-Classical Logic in Science? Grazer Philosophische Studien 12:119-129.
    The role of classical logic as the base of formalized scientific theories seems to be unshakable. Yet legitimate doubts about its universal applicability in science have resulted in the development of alternative systems, among which constructive and modal logic are discussed in syntactic and semantic terms.
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  17.  9
    Ryszard Wójcicki (1983). Pseudo-Referential Matrix Semantics for Propositional Logics. Bulletin of the Section of Logic 12 (3):90-96.
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  18.  28
    Marian Przełęcki & Ryszard Wójcicki (1969). The Problem of Analyticity. Synthese 19 (3-4):374 - 399.
  19.  33
    Ryszard Wójcicki (1995). Theories, Theoretical Models, Truth. Foundations of Science 1 (4):337-406.
    This paper was written with two aims in mind. A large part of it is just an exposition of Tarski's theory of truth. Philosophers do not agree on how Tarski's theory is related to their investigations. Some of them doubt whether that theory has any relevance to philosophical issues and in particular whether it can be applied in dealing with the problems of philosophy (theory) of science.In this paper I argue that Tarski's chief concern was the following question. Suppose a (...)
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  20.  13
    Ryszard Wójcicki (1994). Editorial Note. Studia Logica 53 (3):1-1.
  21.  1
    Marian Przełęcki, Ryszard Wójcicki, Józef Misiek & Edmund Skarżyński (1974). A Set Theoretic Versus a Model Theoretic Approach to the Logical Structure of Physical Theories: Some Comments on J. Sneed's "The Logical Structure of Mathematical Physics" [with Discussion]. Studia Logica 33 (1):91-112.
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  22.  12
    Ryszard Wójcicki (1998). "Białkowski Panel" - Introduction and Acknowledgements. Foundations of Science 3 (1):5-7.
  23. Ryszard Wojcicki (1995). Theories, Theoretical Models, Truth Part II: Tarski's Theory of Truth and its Relevance for the Theory of Science. Foundations of Science 1 (4):471-516.
     
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  24.  2
    Ryszard Wójcicki (1994). Realism Vs Relativism in Philosophy of Science (Some Comments on Tarski's Theory of Truth). In Jan Wolenski (ed.), Philosophical Logic in Poland. Kluwer 337--361.
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  25.  14
    Ryszard Wójcicki (1981). Is There Any Need for Non-Classical Logic in Science? Grazer Philosophische Studien 12:119-129.
    The role of classical logic as the base of formalized scientific theories seems to be unshakable. Yet legitimate doubts about its universal applicability in science have resulted in the development of alternative systems, among which constructive and modal logic are discussed in syntactic and semantic terms.
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  26.  9
    Ryszard Wójcicki (1997). Instead of an Editorial Note. Foundations of Science 2 (1):5-10.
  27.  5
    Ryszard Wójcicki, Maria Nowakowska, A. Fedina & P. M. Williams (1976). Reviews. [REVIEW] Studia Logica 35 (1):291-298.
  28.  8
    Ryszard Wójcicki (1998). Physics, Theoretical Knowledge and Weinberg's Grand Reductionism. Foundations of Science 3 (1):61-77.
    The two main points of this contribution are the following: (1) Applied mathematical theories might complement physical theories in an essential way; some applied mathematical theories allow us to understand phenomena we are unable to explain by resorting to physical theories alone, (2) In the case of social sciences it might be necessary to account for examined phenomena by resorting to the idea of goal-oriented activity (the causal approach typical for natural science might be unsatisfactory). Weinberg's idea of grand reductionism (...)
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  29.  16
    Ryszard Wójcicki (1974). Set Theoretic Representations of Empirical Phenomena. Journal of Philosophical Logic 3 (3):337 - 343.
  30.  14
    Ryszard Wójcicki (2001). What Do We Know? The Proceedings of the Twentieth World Congress of Philosophy 2001:69-77.
    In what follows, I will address three fundamental questions regarding the theory of knowledge. They are as follows: What is knowledge? How can it be represented? How may one evaluate its quality? In this essay I outline a certain conceptual framework within which, I believe, these questions should be examined.
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  31.  17
    Ryszard Wójcicki (1963). Analityczne Komponenty Definicji Arbitralnych. Studia Logica 14 (1):119 - 154.
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  32.  4
    Ryszard Wójcicki (1981). Is There Any Need for Non-Classical Logic in Science? Grazer Philosophische Studien 12:119-129.
    The role of classical logic as the base of formalized scientific theories seems to be unshakable. Yet legitimate doubts about its universal applicability in science have resulted in the development of alternative systems, among which constructive and modal logic are discussed in syntactic and semantic terms.
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  33.  4
    Marian Przełęcki & Ryszard Wójcicki (1971). Inessential Parts of Extensions of First-Order Theories. Studia Logica 28 (1):83 - 99.
  34.  20
    Ryszard Wójcicki (1996). Dear Colleague. Studia Logica 57 (1):1-1.
  35.  4
    Ryszard Wójcicki (1999). Should Tarski’s Idea of Consequence Operation Be Revised? Vienna Circle Institute Yearbook 6:231-242.
    Tarski’s papers, in which he examines the idea of a consequence operation Cn,divide into two groups. One of them is formed by the papers that offer an analysis of the general idea of the consequence operation. Resorting to fundamental ideas of logical semantics, Tarski explains what, in his view, it means to say that a formula a of a language L is a logical consequence Cn of a set of formulas X of that language. Under the definition he proposed Cn (...)
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  36.  12
    Benson Mates, Ryszard Wójcicki, Bruce Vermazen & Rollin W. Workman (1967). Reviews. [REVIEW] Synthese 17 (1):344-367.
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  37. Ryszard Wójcicki (1976). Metodologia Formalna Nauk Empiryczych. Erkenntnis 10 (2):234-237.
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  38.  9
    Ryszard Wójcicki (1974). Note on Deducibility and Many-Valuedness. Journal of Symbolic Logic 39 (3):563-566.
  39.  16
    Janusz Czelakowski, Alasdair Urquhart, Ryszard Wójcicki, Jan Woleński, Andrzej Sendlewski & Marcin Mostowski (1990). Books Received. [REVIEW] Studia Logica 49 (1):151-161.
  40.  5
    Paul Humphreys & Ryszard Wójcicki (1995). Publisher's Note. Foundations of Science 1 (3):1-1.
    As Chinese Studies in Philosophy enters its twenty-fifth year, we wish to thank the editor since its inception, Professor Cheng Chung-ying of the University of Hawaii, for his many years of service, and to welcome with this issue our new editor, Professor Michael Schoenhals of Stockholm University.
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  41.  2
    Ryszard Wójcicki (1973). On Matrix Representations of Consequence Operations of Łlukasiewicz's Sentential Calculi. Mathematical Logic Quarterly 19 (14‐18):239-247.
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  42.  15
    Ryszard Wójcicki (1997). Popperian Vs. Suppesian Theories. Foundations of Science 2 (2):375-382.
  43.  13
    Ryszard Wójcicki (1998). Rohrlich's Pluralistic Ontology; Comments on D. Aerts and F. Rohrlich Article. Foundations of Science 3 (1):37-43.
  44.  14
    Wiesław Dziobiak, Andrzej Wroński, Wojciech Suchoń, Jan Zygmunt & Ryszard Wójcicki (1981). Books Received. [REVIEW] Studia Logica 40 (4):415-421.
  45.  1
    Ryszard Wójcicki (2004). A Logic is Referential Iff It is Selfextensional. Studia Logica 73 (3):323-335.
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  46. Ryszard Wójcicki (1986). Świat z perspektywy fizyki - Uwagi do nauczania przedmiotu. Studia Filozoficzne 248 (7).
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  47.  2
    Ryszard Wójcicki (1992). Editorial Note. Studia Logica 51 (1):1-2.
  48.  9
    Leszek Pacholsk, Ewa Capińska, Grzegorz Malinowski, Jacek K. Kabziński, Jan Woleński & Ryszard Wójcicki (1982). Books Received. [REVIEW] Studia Logica 41 (4):429-437.
  49.  7
    Ryszard Wójcicki (1966). Semantical Criteria of Empirical Meaningfulness. Studia Logica 19 (1):75 - 109.
  50. Ryszard Wójcicki (1974). The Logics Stronger Than Łukasiewicz's Three Valued Sentential Calculus-the Notion of Degree of Maximality Versus the Notion of Degree of Completeness. Studia Logica 33 (2):201-214.
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