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Wyświetlanie 1-4 z 4
Tytuł:
Kazimierz Ajdukiewicz i polski spór o uniwersalia
Kazimierz Ajdukiewicz and the Polish Debate on Universals
Autorzy:
Marciszewski, Witold
Powiązania:
https://bibliotekanauki.pl/articles/963622.pdf
Data publikacji:
1999-09-01
Wydawca:
Uniwersytet Warszawski. Wydział Filozofii
Opis:
When discussing Kazimierz Ajdukiewicz's role in philosophy, it is worthwhile recalling his participation in scholarly controversies. It was characteristic of his open mind that his taking part in debates was motivated by a vivid interest in various ways of thinking. Ajdukiewicz's intellectual power consisted, so to speak, in his ability of not to understand. This ability has brought him success in some important debates, concerning i.a. the classical logical concept of contradiction and the debate on universals raised in modern Poland with the nominalistic program of Stanislaw Lesniewski and Tadeusz Kotarbiński. In this latter debate Ajdukiewicz shows that when one says that individuals exist, the word „exist" refers to something different that in the statement that universals exist. In other words, the functor „is" has a different category in the definition of an individual from that appearing in the definition of a universal; hence there must be two different senses of the word „exist".
Źródło:
Filozofia Nauki; 1999, 7, 3-4; 5-13
1230-6894
2657-5868
Pojawia się w:
Filozofia Nauki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nierozstrzygalność i algorytmiczna niedostępność w naukach społecznych
Undecidability and Algorithmic Intractability in Social Sciences
Autorzy:
Marciszewski, Witold
Powiązania:
https://bibliotekanauki.pl/articles/968830.pdf
Data publikacji:
2004-09-01
Wydawca:
Uniwersytet Warszawski. Wydział Filozofii
Opis:
The paper is meant as a survey of issues in computational complexity from the standpoint of its relevance to social research. Moreover, the threads are hinted at that lead to computer science from mathematical logic and from philosophical questions about the limits and the power both of mathematics and the human mind. Especially, the paper addresses Turing's idea of oracle, considering its impact on computational (i.e., relying on simulations) economy, sociology etc. Oracle is meant as a device capable of finding the values of uncomputable functions. Such an idealized entity is exemplified by the human mind's procedure of recognizing the truth of the Gödelian sentence, of identifying uncomputable numbers through Turing's diagonal procedure, etc. Since such procedures are strictly defined and are as reliable as any calculations, they are worth to be called computation as well. From the computation in the strict sense, that defined as purely algorithmic (mechanical) process, one distinguishes them with the term "hipercomputation". Now the following questions arise. - Are there undecidable problems (ie. not decidable with appropriate algorithms) in social research as are (according to what is reported esp. By S. Wolfram) in natural sciences? The answer in the negative would impose limitations on computer simulations (as entirely relying on algorithms). - If there are, then we have the next question: can such problems be addressed with hipercomputational procedures? - How such hipercomputational procedures would be related to analog computation (coextensive, everlappiing, etc.)? Another set of issues is stated in terms of tractability of decidable problems, that is, the efficiency of algorithms needed for solutions. As inefficient are regarded those which require more resources (time, memory, etc.) than is available in a foreseeable future. In this context, one discusses methods of such an efficient organizing computational processes to overcome the scarcity of resources; thus parallel, distributive, interactive, etc. computing are used as remedies. The paper claims, hinting at F.Hayek's ideas, that in some social systems (e.g., stock exchange, and free market in general) such an efficient organization of their computational activities spontaneously evolves. And this is the main source of its advantages over the central economic planning (as defended by O. Lange). This noticing (in terms of complexity theory) of analogy between Hayek's point and the current discussion of efficiency of algorithms is what may count as an original contribution of the present paper.
Źródło:
Filozofia Nauki; 2004, 12, 3-4; 5-31
1230-6894
2657-5868
Pojawia się w:
Filozofia Nauki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Formalizm syntaktyczny Jana Łukasiewicza jako model inteligentnego działania
Lukasiewiczs Syntactical Formalism as a Model for Intelligent Action
Autorzy:
Marciszewski, Witold
Powiązania:
https://bibliotekanauki.pl/articles/965025.pdf
Data publikacji:
1997-09-01
Wydawca:
Uniwersytet Warszawski. Wydział Filozofii
Źródło:
Filozofia Nauki; 1997, 5, 3; 89-100
1230-6894
2657-5868
Pojawia się w:
Filozofia Nauki
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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