•  1
    Globalization and justice
    Diametros 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
  •  49
    Logic and Mathematics
    Vienna Circle Institute Yearbook 3 197-210. 1995.
    There are two possible strategies for investigating questions on logic and mathematics. First, one can adopt the pattern recommended by the phenomenologists, which consists in looking for the actual essences of logic and mathematics in order to relate both fields. The second approach, adopted in this paper, starts with a historical review of the foundational standpoints. I will then try to extract on this base some insights on how logic and mathematics are mutually related. In particular, I am i…Read more
  •  2
    Logischer Rationalismus. Philosophische Schriften der Lemberg-Warschauer Schule
    with David Pearce
    Tijdschrift Voor Filosofie 51 (3): 569-570. 1989.
  • Naturalism is the view that only the so-called Natural World that surrounds us exists and that it is knowable by means of general cognitive tools. This has consequences for epistemology, because it determines what is an object of knowledge and how it comes to be known. Epistemological naturalism can be either radical or moderate, granting a certain autonomy to the theory of knowledge with respect to science. The article defends the second position and shows that it justifies the existence of cer…Read more
  •  23
  •  202
    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.
  •  38
    Rudolf Carnap and the Legacy of Logical Empiricism, Richard Creath (Ed.) (review)
    Polish Journal of Philosophy 6 (2): 113-115. 2012.
  •  196
    On the principle of the excluded middle
    with Jan Łukasiewicz and Peter Simons
    History and Philosophy of Logic 8 (1): 67-69. 1987.
    The brief article of 1910 which is translated here is, as the prefatory note explains, significant for understanding both the way in which ?ukasiewicz came to many-valued logic and the influences under which he stood at the time
  •  90
    The Cognitive Relation in a Formal Setting
    Studia Logica 86 (3): 479-497. 2007.
    This paper proposes a formal framework for the cognitive relation understood as an ordered pair with the cognitive subject and object of cognition as its members. The cognitive subject is represented as consisting of a language, conequence relation and a stock of accepted theories, and the object as a model of those theories. This language allows a simple formulation of the realism/anti-realism controversy. In particular, Tarski’s undefinability theorem gives a philosophical argument for realism…Read more
  •  55
    Nota o indukcji
    Zagadnienia Filozoficzne W Nauce 8. 1986.
  • 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
  • Zdania aksjologiczne z perspektywy naturalizmu
    Estetyka I Krytyka 19 (19): 131-148. forthcoming.
  •  76
    Polish Scientific Philosophy: The Lvov-Warsaw School (edited book)
    with Roberto Poli and Francesco Coniglione
    Rodopi. 1993.
    One can often encounter an opinion that Polish scientific philosophy deserves to be much better known than actually is. This book is thought as a response to such a claim. The papers collected in this volume are divided into two parts: Background and Influence and History and Systematics. However, there is no sharp borderline between themes which are touched in both parts. Generally speaking, all papers of the first part relate the Lvov-Warsaw School to some philosophical movements external to i…Read more
  •  109
    Some Current Problems in Metamathematics1
    with Alfred Tarski and Jan Tarski
    History and Philosophy of Logic 16 (2): 159-168. 1995.
    In this article the author first described the developments which brought to focus the importance of consistency proofs for mathematics, and which led Hilbert to promote the science of metamathemat-ics. Further comments and remarks concern the (partly analogous) beginnings of the work on the decision problem, Gödel’s theorems and related matters, and general metamathematics. An appendix summarizes a text by the author on completeness and categoricity.
  •  104
    Truth and Consistency
    Axiomathes 20 (2-3): 347-355. 2010.
    This paper investigates relations between truth and consistency. The basic intuition is that truth implies consistency, but the reverse dependence fails. However, this simple account leads to some troubles, due to some metalogical results, in particular the Gödel-Malcev completeness theorem. Thus, a more advanced analysis is required. This is done by employing the concept of ω-consistency and ω-inconsistency. Both concepts motivate that the concept of the standard truth should be introduced as w…Read more
  • W odpowiedzi Krystianowi Jobczykowi
    Filozofia Nauki 23 (3). 2015.
  • Prawda i znacznie
    Studia Semiotyczne 26 81-124. 2007.
  •  150
    Aletheia in Greek thought until Aristotle
    Annals of Pure and Applied Logic 127 (1-3): 339-360. 2004.
    This paper investigates the concept of aletheia in ancient philosophy from the pre-Socratics until Aristotle. The meaning of aletheia in archaic Greek is taken as the starting point. It is followed by remarks about the concept of truth in the Seven Sages. The author discusses this concept as it appears in views and works of philosophers and historians. A special section is devoted to the epistemological and ontological understanding of truth. On this occasion, influential views of Heidegger are …Read more
  •  158
    Psychologism and metalogic
    Synthese 137 (1). 2003.
    This paper examines two arguments againstpsychologism advanced by Frege andHusserl. The first argument says that thelaws of logic cannot be justified by thelaws of psychology, because the formerand a priori and certain, but the latterare probable only. The second argumentpoints out that the status of logicallaws as universal principles of thinking isnot intelligible on the psychologisticinterpretation of logic. The author tries toshow how to examine both arguments bymetalogical devices.
  • Husserl and the development of semantics
    Philosophia Scientiae 2 (4): 151-158. 1997.
  • Semantyka i intencjonalność
    Studia Filozoficzne 271 (6-7). 1988.
  •  10
    Czy prawo zatruwa wolność?
    with Ewa Łętowska
    Przeglad Filozoficzny - Nowa Seria 87 (3): 9-26. 2013.