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EN
There have been many significant publications on Kazimierz Twardowski. Jacek Jadacki intends to add to this list another book Rozum i wola. Kazimierz Twardowski i jego wpływ na kształt kultury polskiej XX wieku. In the review it is appraised whether it can be called “a companion to...”. It provides introductory information that can help readers better understand the role of Twardowski in Polish philosophy and culture. Updated findings by contemporary scholars are also included. The quality of the articles is guaranteed by such authors as J. Woleński, R. Kleszcz, A. Brożek and J. Jadacki. However, new authors are also present as well as less common topics like Twardowski’s influence on the Polish School of Philosophy of Medicine and his roles as political scientist, educational theorist, and historian of Ancient philosophy. The authors manage to convince the reader that Twardowski is “a classic” worth knowing, in consequence the book can be treated as a “companion to Twardowski”. It also inspires readers to further investigate the works and accomplishments of the Lvov philosopher.
EN
The article presents scientific personalities and main achievements of two great scholars: Alfred Tarski and Władysław Tatarkiewicz. They represent different disciplines: Tatarkiewicz was first of all an aesthetician and historian of philosophy; Tarski was a logician and mathematician. The article, however, concentrates on similarities between them. Firstly, both Tatarkiewicz and Tarski are counted among members of the Lvov-Warsaw School. Secondly, they were born and worked in Warsaw (in the case of Tarski – until the outbreak of the World War II). Thirdly, they were strongly attached to their homeland: Poland. Fourthly, one of the common motives of their views is philosophical absolutism. The article is based on the lecture delivered on the 29th of November, 2016, at the University of Warsaw. The lecture was a part of the naming ceremony of two lecture halls at the Institute of Philosophy (Krakowskie Przedmieście 3) in honor, respectively, of Tatarkiewicz and Tarski.
EN
In the article Popper, Tarski and Relativism Jennings argues that according to T-equivalence all ontology (all sort of things in the world) is the derived from the first-order language. So such argumentation leads directly to the relativistic interpretation of Tarski’s semantic theory of truth. This interpretation is very controversial especially given that almost all philosophers of the Lvov-Warsaw School assert that truth is a nonrelativistic value. It seems that Alfred Tarski shares this view with Kazimierz Twardowski and his students. However there are many incompatible interpretations according to which the semantic theory of truth generates different consequences. Thus we can understand this theory in a relativistic, deflationist or absolutist ways. In this article I am reconstructing the relativistic and nonrelativistic interpretations of the semantic theory of truth and I attempt to provide an answer to the important question about whether or not Alfred Tarski is a relativist?
EN
Analytic description, according to members of the Lvov-Warsaw School (LWS) like  Czeżowski, Ajdukiewicz, Ossowska, Tarski is a powerful and an indispensable tool, not only in philosophy but also in any natural science – in psychology especially. It should be equally respected together with empirical analysis and even it is recommended that it should precede any further research. Therefore the book Analiza i konstrukcja: o metodach badania pojęć w Szkole Lwowsko-Warszawskiej [Analysis and construction: on the methods of researching concepts in the Lvov-Warsaw School] can be recommended to philosophers as well as scientists.
EN
The aim of the text is to present a hypothesis called by me Aristotle-Ax hypothesis, which held that: first – every sentence/every period in any language N may be distributed/decomposed into two levels: léxis and dianoia. Second – sentence/period is characterized by elementary semantics, which allows all users of language N to understand the sentence/period. Third – if the sentence/period n becomes the text, which is a finite sum of correct sentences/periods defined at the level of léxis, this ex definitio must be used rule structure dianoia level. These rules are defined by the laws of poetics and rhetoric, and which are well known used by all users of the language N. Those rules apply in any language, also formalized. The author also refers to the considerations by Immanuel Kant, Chaïm Perelman and Alfred Tarski on a similar topic. Therefore, the principles of the rhetoric also apply to the language of mathematics, resp. of physics.
PL
Celem tekstu jest przedstawienie hipotezy nazwanej przeze mnie hipotezą Arystotelesa-Axa, która orzeka, iż: po pierwsze – każde zdanie/każdy period n w dowolnym języku N można rozłożyć na dwie płaszczyzny: léxis i dianoia. Po drugie – zdanie/period cechuje ‘elementarna semantyka’, która umożliwia wszystkim użytkownikom języka N rozumienie zdania/periodu. Po trzecie – jeżeli zdanie/period n staje się tekstem, czyli skończoną sumą poprawnych zdań/periodów określonych na płaszczyźnie léxis, to ex definitio muszą zostać użyte reguły konstrukcji płaszczyzny dianoia. Reguły te określają poetyka i retoryka, którymi posługują się wszyscy użytkownicy języka N. Wskazane zasady obowiązują w dowolnym języku, także sformalizowanym.Autor odwołuje się także do rozważań Immanuela Kanta oraz Chaïma Perelmana, a także Alfreda Tarskiego na zbliżony temat.A zatem zasady retoryki dotyczą także i języka matematyki, resp. fizyki.
PL
In this article Whitehead’s philosophy of mathematics is characterized as a Structural Second-Order Platonism and it is demonstrated that the Whiteheadian ontology is consistent with modern formal approaches to the foundation of mathematics. We follow the pathway taken by model-theoretically and semantically oriented philosophers. Consequently, it is supposed that all mathematical theories (understood as deductively closed set of sentences) determine their own models. These models exist mind-independently in the realm of eternal objects. From the metatheoretical point of view the hypothesis (posed by Józef Życiński) of the Rationality Field is explored. It is indicated that relationships between different models can be described in the language of modal logics and can further be axiomatized in the framework of the Second Order Set Theory. In conclusion, it is asserted that if any model (of a mathematical theory) is understood, in agreement with Whitehead’s philosophy, as a collection of eternal objects, which can be simultaneously realized in a single actual occasion, then our external world is governed by the hidden pattern encoded in the field of pure potentialities which constitute the above mentioned Field of Rationality. Therefore, this work can be regarded as the first step towards building a Logic of Rationality.
PL
In the paper I try to describe the phenomenon of the Polish School of Mathematics. It requires the presentation and analysis of the many factors that have had an influence on its creation and development. It is impossible to do so in such article yet I try to show, however, its essence and strength through an analysis up until the point that World War II brutally ended its development. I focus on the mathematicians who were forced to emigrate and created important mathematical centres in other countries. Thus, the program and atmosphere of Polish Mathematical School was continued.
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PL
Celem artykułu jest odpowiedź na pytanie, jak pisać o mistrzach? Innymi słowy, postawione pytanie dotyczy strategii narracyjnych stosowanych przez autorów piszących o mistrzach. Główna część tekstu oparta jest na pięciu przykładach: (1) John A. Hall Ernest Gellner. An Intellectual Biography (2011), (2) Anita Burdman Feferman, Solomon Feferman Alfred Tarski. Życie i logika (2009), (3) Edmund Leach Lévi-Strauss (1998), (4) Andrzej Walicki Idee i ludzie. Próba autobiografii (2010) oraz (5) Dialogues Romana Jakobsona i Krystyny Pomorskiej. Każdy tekst przedstawia inne zestawy narzędzi i technik retorycznych, relacji autora wobec mistrza oraz cel akademicki. Porównanie tych pięciu przykładów (i mniej rozbudowanych przypadków prezentowanych w artykule) stanowi konkluzję artykułu.  
EN
The aim of the paper is to answer the question: how should one write about masters? It is a question about the narrative strategies of authors writing about masters. The presented analysis is based on five examples: (1) John A. Hall’s Ernest Gellner: An Intellectual Biography, (2) Anita Burdman Feferman and Solomon Feferman’s Alfred Tarski: Life and Logic, (3) Edmund Leach’s Lévi-Strauss, (4) Andrzej Walicki’s Idee i ludzie. Próba autobiografii [Ideas and People. An Attempt at an Autobiography], and (5) Dialogues by Roman Jakobson and Krystyna Pomorska. Each text presents different rhetorical devices, authorial relations to the master, and academic aims. The paper concludes with a critical comparison of the five examples (with the addition of some other minor cases also discussed in the paper).  
Studia Semiotyczne
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2019
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vol. 33
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issue 2
EN
This article is polemical. It argues with those philosophers who see, in the semantic theory of knowledge of Kazimierz Ajdukiewicz, the significant and exclusive influence of Alfred Tarski’s semantic output. Listening to these philosophers, one gets the impression that they have overlooked the fact that the term “semantics” meant one thing in the case of Ajdukiewicz, presenting the semantic theory of knowledge, and something different in the case of Tarski, presenting the semantic theory of truth. There is another difference, related to the abovementioned, and fundamental in the case of both these logicians, namely their different approach to language, which seems to escape the attention of those who write about the semantic theory of knowledge. Ajdukiewicz’s approach was intensional, while Tarski’s approach was extensional: for the first of them, the intensional interpretation of language was basic, as for the second, was the extensional interpretation. The philosophers with whom I argue overlook one more fact, namely the impact, difficult to overestimate, that the intentional theory of language of Edmund Husserl had on the emergence of the semantic theory of knowledge. This article tries to restore Tarski’s real role in the matter referred to in the title, and do justice to Husserl: after all, without his philosophy of the semantic theory of knowledge, as a metaepistemological project, it would not have come to be. It was only in the implementation of this project that some of the achievements of Tarski’s semantics were used.
EN
The aim of this paper is to show the importance of intentional theory of language of Edmund Husserl for Ajdukiewicz’s theory of language, and hence for his semantic theory of knowledge. As far as Tarski’s semantic achievements from the ‘30s, they provided to Ajdukiewicz the legitimisation for the transition from his reflection about the linguistic world-picture, i.e. the world of linguistic intensions, into the reflection about the world, i.e. the world of lingustic extensions. But in spite of that, the purely-philosophical climate of Ajdukiewicz’s semantic theory of knowledge is from the spirit of Husserl.
PL
Niniejszy artykuł ma polemiczny charakter. Polemizuje on z głosami tych filozofów, którzy w semantycznej teorii poznania Kazimierza Ajdukiewicza widzą znaczący i nadto wyłączny wpływ semantycznego dorobku Alfreda Tarskiego. Słuchając głosów tych filozofów można odnieść wrażenie, że przeoczyli oni fakt, iż termin „semantyka” znaczył co innego w wypadku Ajdukiewicza, prezentującego semantyczną teorię poznania, a co innego w wypadku Tarskiego, prezentującego semantyczną teorię prawdy. Z tą różnicą, dotyczącą znaczeń terminu „semantyka”, wiąże się inna, fundamentalna w wypadku obu tych logików różnica, a mianowicie ich odmienne podejście do języka, co zdaje się umykać uwadze tym piszącym o semantycznej teorii poznania, z którymi zamierzam polemizować. Podejście Ajdukiewicza było intensjonalne, natomiast podejście Tarskiego – ekstensjonalne, co mówiąc mam na myśli to, że dla pierwszego z nich podstawową była intensjonalna interpretacja języka, a dla drugiego – interpretacja ekstensjonalna. Filozofowie, z którymi polemizuję, przeoczają jeszcze jeden fakt, a mianowicie trudny do przecenienia wpływ, jaki na powstanie semantycznej teorii poznania miała intencjonalna teoria języka Edmunda Husserla. Niniejszy artykuł stara się przywrócić właściwą miarę Tarskiemu w tytułowej sprawie oraz oddać sprawiedliwość Husserlowi, bez filozofii którego semantycznej teorii poznania, jako metaepistemologicznego projektu, by nie było. A przecież to ów projekt legitymizował jego realizacje i dopiero w nich były wykorzystywane niektóre osiągnięcia semantyki Tarskiego.
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