Przeglądanie wg autora "Pietruszczak, Andrzej"
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Przeglądanie wg autora "Pietruszczak, Andrzej"
Wyświetlono pozycje 1-15 z 15
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Nasieniewski, Marek; Pietruszczak, Andrzej (Wydawnictwo Uniwersytetu Łódzkiego, 2014)
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Pietruszczak, Andrzej (2015-12-12)By the classical mereology I mean a theory of mereological structures in the sense of [10]. In [7] I proved that the class of these structures is not elementarily axiomatizable. In this paper a new version of this result ...
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Gruszczyński, Rafał; Pietruszczak, Andrzej (2010-12-30)As it is indicated in the title, this paper is devoted to the problem of defining mereological (collective) sets. Starting from basic properties of sets in mathematics and differences between them and so called conglomerates ...
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Pietruszczak, Andrzej (Wydawnictwo Naukowe Uniwersytetu Mikołaja Kopernika, 1997)We will present an elementary theory in which we can speak of mereological sets composed of distributive classes. Besides the concept of a distributive class and the membership relation, it will possess the notion of a ...
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Pietruszczak, Andrzej (Nicolaus Copernicus University Scientific Publishing House, 2018)Our aim in this book is not simply to provide an introduction to the topic of mereology but also to undertake a thorough analysis of it. Hence its name: "Metamereology" (in Polish: "Metamereologia"). Mereology arose as ...
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Pietruszczak, Andrzej (2021-03-08)Obie teorie Russella zdarzeń [1914, 1936] zaliczamy do bezpunktowej ontology. Pierwszą z nich Russell przedstawił w nieformalny sposób w "The world of physics and the world of sense", wykład IV w "Our Knowledge of the ...
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Krysztofiak, Wojciech; Pietruszczak, Andrzej (Wydawnictwo Uniwersytetu Mikołaja Kopernika, 1997)Głównym celem pracy jest przedstawienie formalnej koncepcji noematów. W pierwszej części, trzy nieformalne koncepcje noematów są poddane analizie. Celem tej części jest wyszczególnienie głównych kontrowersji dotyczących ...
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Pietruszczak, Andrzej (2021-03-01)
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Pietruszczak, Andrzej (2023-10-12)
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Pietruszczak, Andrzej (2024-03-11)We classify two of Bertrand Russell’s theories of events within the point-free ontology. The first of such approaches was presented informally by Russell in “The World of Physics and the World of Sense” (Lecture IV in Our ...
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Pietruszczak, Andrzej (Lodz University Press, 2012)In this paper, we examine weak logics similar to S0.5[\Box Φ], where Φ ⊆ S0.5. We also examine their versions (one of which is S0.5rte[\Box Φ]) that are closed under the replacement of tautological equivalents (rte). We ...
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Pietruszczak, Andrzej (Lodz University Press, 2012)
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Pietruszczak, Andrzej (Lodz University Press, 2009)In this paper, we show that logics K45, KB4 (= KB5) and KD45 are determined by some classes of simplified Kripke frames without binary accessibility relations between possible worlds. These frames are ordered pairs of sets ...
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Pietruszczak, Andrzej (2010-03-30)In the present paper we examine very weak modal logics C1, D1, E1, S0.5◦, S0.5◦+(D), S0.5 and some of their versions which are closed under replacement of tautological equivalents (rte-versions). We give semantics for these ...
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Gruszczyński, Rafał; Pietruszczak, Andrzej (2009-11-30)This article is devoted to the problem of ontological foundations of three-dimensional Euclidean geometry. Starting from Bertrand Russell’s intuitions concerning the sensual world we try to show that it is possible to build ...
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