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15The problem of philosophical assumptions and consequences of scienceStudia Philosophiae Christianae 47 (4): 117-134. 2011.This paper argues that science is not dependent on philosophical assumption and does not entail philosophical consequences. The concept of dependence and entailment is understood logically, that is, are defined via consequence operation. Speaking more colloquially, the derivation of scientific theorems does not use philosophical statements as premises and one cannot derive philosophical theses from scientific assertions. This does not mean that science and philosophy are completely separated. In…Read more
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24On Some Logical Properties of 'Is True'In D. Kolak & J. Symons (eds.), Quantifiers, Questions and Quantum Physics, Springer. pp. 195--207. 2004.
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2Theism, fideism, atheism, agnosticismIn Lars-Göran Johansson, Jan Österberg, Rysiek Śliwiński & Jordan Howard Sobel (eds.), Logic, Ethics and All That Jazz: Essays in Honour of Jordan Howard Sobel, Dept. of Philosophy, Uppsala University. pp. 387--400. 2009.
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Władysław Witwicki jako filozofFilozofia Nauki 3. 1999.Władysław Witwicki was first of all a psychologist, but he graduated in philosophy from Lvov University, being one of the earliest pupils of Kazimierz Twardowski. He was a representative of the descriptivistic branch of the Lvov-Warsaw School. In the area of phsychology he put into practice the important postulate of his teacher, who persuaded his students to write original handbooks, giving Polish scholar contributions their due: it is how the work on Witwicki's Psychology began. In the area of…Read more
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The Achievements of Polish School of LogicIn Thomas Baldwin (ed.), The Cambridge History of Philosophy, 1870-1945, Cambridge University Press. pp. 401--416. 2003.
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1Globalization and justiceDiametros 188-205. 2010.Globalization consists in the universality of the web of international economic and cultural interactions; this means that they comprise the entire world, not only its particular regions. Globalization processes are evaluated in various manners. Whereas some consider them to be an essential danger, others maintain that globalization is a device for solving many problems worrying humanity. This second perspective assumes that globalization will contribute to a relative equilibrium of the social s…Read more
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17Ways of Dealing with Non-existenceGrazer Philosophische Studien 50 (1): 113-127. 1995.Non-existence provides big problems for ontology and modest for logic. Logical problems of non-existence consist in licensing inferences in which sentences with empty terms are involved. The standard predicate logic solves this question by presupposing that every individual constant has an object to which it refers. This means that empty domains are excluded from semantics for the first-order logic. However, there is a temptation to consider logic without existential presuppositions.The ontologi…Read more
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1Logic from a Rhetorical Point of View (review)Grazer Philosophische Studien 48 (1): 243-244. 1994.
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133Deontic logic and possible worlds semantics: A historical sketchStudia Logica 49 (2). 1990.This paper describes and compares the first step in modern semantic theory for deontic logic which appeared in works of Stig Kanger, Jaakko Hintikka, Richard Montague and Saul Kripke in late 50s and early 60s. Moreover, some further developments as well as systematizations are also noted.
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73Logic as Calculus Versus Logic as Language, Language as Calculus Versus Language as Universal Medium, and Syntax Versus SemanticsLogica Universalis 6 (3-4): 587-596. 2012.This paper discusses the distinctions indicated in its title. It is argued that the distinction between syntax and semantics is much more important for the present situation in logic than other distinctions. In particular, doing formal syntax and formal semantics requires the use of an informal melanguage based on ordinary mathematics
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11Naturalism and ReismDialogue and Universalism 17 (1/2): 13-19. 2007.This paper compares Kotarbiński’s reism and naturalism. It argues that basic ontological and epistemological reistic principles fit naturalism very well. In particular, the thesis claiming that there are only spatiotemporal things (bodies) gives a very simple naturalistic account of reality. Radical realism defended by Kotarbiński is a version of direct realism, a view about perception which is very accurate for naturalism. On the other hand, since difficulties of reism are also problems for nat…Read more
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1Science and GamesPoznan Studies in the Philosophy of the Sciences and the Humanities 51 213-224. 1997.
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Czy filozof analityczny potrzebuje epistemicznej viagry?Filozofia Nauki 1. 2000.The paper is a reply to Jan Czerniawski's paper „On epistemic impotence of analytical philosophy” (Filozofia Nauki 3-4/1998). Czerniawski argues that the analytic method consists either in arbitrary stipulations or in the appeal to linguistic intuitions. He claims that the latter are subjective and moreover they cannot help deciding objective problems, while the former are an arbitrary creation of truth. Hence, the analytic method has to be assisted by an intuitive insight into objective situati…Read more
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9Philosophical Logic in Poland (edited book)Kluwer Academic Publishers. 1994.Poland has played an enormous role in the development of mathematical logic. Leading Polish logicians, like Lesniewski, Lukasiewicz and Tarski, produced several works related to philosophical logic, a field covering different topics relevant to philosophical foundations of logic itself, as well as various individual sciences. This collection presents contemporary Polish work in philosophical logic which in many respects continue the Polish way of doing philosophical logic. This book will be of i…Read more
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43The Lvov-Warsaw school and contemporary philosophy (edited book)Kluwer Academic Publishers. 1998.This collection celebrates the centenary of the Lvov-Warsaw school, established by Kazimierz Twardowski in Lvov in 1895.
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1Metalogika i teorie empiryczneRoczniki Filozoficzne 54 (2): 299-310. 2006.Metalogic (as a part of metamathematics) deals with the properties of formalised mathe- matical theories. Its applicability to empirical theories is an object of debate. The paper defends the moderate view that although it is difficult to expect such spectacular results, as have been obtained on mathematical theories, nevertheless the metalogical analysis of the first two gives us some benefits. Empirical theories may be understood as axiomatised sets of propositions closed with the operation of…Read more
Areas of Interest
Metaphilosophy |
Logic and Philosophy of Logic |