The monograph contains three works on research on the concept of a rejected sentence. This research, conducted under the supervision of Prof. Jerzy Słupecki by U. Wybraniec-Skardowska (1) "Theory of rejected sentences" and G. Bryll (2) "Some supplements of theory of rejected sentences" and (3) "Logical relations between sentences of empirical sciences" led to the construction of a theory rejected sentences and made it possible to formalize certain issues in the methodology of empirical sciences. The concept of a rejected (...) sentence was introduced by J. Łukasiewicz in the course of his inquiry into Aristotelian Syllogistic. It was essentialy generelized by J. Słupecki who, with reference to Tarski's axiomatic theory of deductive systems (1930), gave the formal definition of the rejection function Cn' according to which a sentence y is rejected on the base of a set of sentences X iff at least one sentence which belongs to X can be deduced from the sentence y. Słupecki proved (1959) that the function Cn', which assignes to the set X the set of sentences rejected on the basis of X, is additive and satisfies the axioms of Tarski's general theory of deductive systems. Work (1) uses not only Tarski's general theory of systems but also his the so-called enlarged theory of systems (1930). It constructs a theory T of rejected sentences (propositions), which is created from Tarski's richer theory of systems by adding one axiom and a number of definitions; among them the definition of the rejection function Cn' is fundamental one. Cn' is a function which assignes to every set X of false sentences the set Cn'X whose members are exclusively false senteces. A number of theorems which describes properties of defined concepts have been proved in T. Some of them are necessary for conducting considertions of the concluding section of (1) devoted to the empirical sentences. Section 2 of (1) deals with the theory of the unit consequenses. It is characterized by an axiom from which follow all axioms of Tarski's general theory of deductive systems, additivity and the property that the unit consequence of the set X of sentences is a unit consequence only one sentence of X. An example of unit consequence is the rejection consequence Cn'. In section 3 of (1) the dual theory T' equivalent to T is presented. In T' the primitive concept is the rejection function Cn'. The fundamental axiom of T' states that Cn' is a unit consequence. The concluding section brings a few examples of applications of the definitions and theorems of T in the domain of the scientific methodology. Work (2) corresonds to J. Słupecki paper (1959) and the theory T of rejected propositions given in work (1). In this paper some suplements of the theory T are given. Work (3) is an extension of the theory of rejected propositios given in the paper (1). It is an attempt of formalization some problems of methodology of the empirical sciences which concern to such concepts as: empirical sentence, similar sentence, generalization, inductive conclusion etc. (shrink)

This is the PhD dissertation, written under supervision of Professor Jerzy Słupecki, published in the book: U.Wybraniec-Skardowska i Grzegorz Bryll "Z badań nad teorią zdań odrzuconych" ( "Studies of theory of rejected sentences"), Zeszyty Naukowe Wyższej Szkoły Pedagogicznej w Opolu, Seria B: Studia i Monografie nr 22, pp. 5-131. It is the first, original publication on the theory of rejected sentences on which are based, among other, papers: "Theory of rejected propositions. I"and "Theory of rejected propositions II" with (...) Jerzy Słupecki and Grzegorz Bryll. -/- -/- . (shrink)

The following article begins with my recollection of the only academic conference on Zdziechowski that was organised still under the communist regime in the autumn of 1984 at the Jagiellonian University and ends with a description of the discussion on the genesis and power of evil, with the participation of Czesław Miłosz and Leszek Kołakowski, which was triggered in Poland immediately after the publication of the last edition of On Cruelty in 1993. On Cruelty was first published in 1928 in (...) the journal Przegla̧d Współczesny [Contemporary Review] in Krakow, a second time in 1938 in the volume of articles In the Face of the End, Krakow 1938, and a third – and so far last – time also in Krakow in 1993. On Cruelty, published three times but so far only in Polish, has never been thoroughly analysed or even discussed, which is why this article focuses on discussing it and related questions about the origins and nature of evil, mainly in Europe and Asia, from the earliest times to the present. Zdziechowski was particularly outraged when the cruelty he condemned was justified by religion, especially Christianity (Catholic and Protestant). From these condemnations, he described the activities of the Inquisition, the witch trials, cruelty to animals, and – in the introduction – the “psychology of cruelty.” At the same time, however, he meticulously listed the names of those political and spiritual leaders in Europe and Asia, theologians and thinkers, who, over many centuries, up to the present day, have resolutely spoken out against evil, including cruelty, within and outside the Church. A separate and important issue is Zdziechowski’s attitude to Tsarist Russia and Bolshevism, as outlined in his work On Cruelty. On the one hand, he pointed out that at least two rulers of Russia before 1917 – Ivan the Terrible and Peter the Great – had made major contributions to the history of cruelty in Europe and Asia. But Bolshevism, which Zdziechowski condemned in the strongest terms, was in his eyes not a continuation of pre-1917 Russian despotism, but emanated from the depths of Asia. (shrink)

The speech act of inquiry is generally treated as a default kind of asking questions. The widespread norm states that one inquires whether p only if one does not know that p. However, the fact that inquiring is just one kind of asking questions has received little to no attention. Just as in the declarative mood we can perform not only assertions, but various other speech acts, like guesses or predictions, so in the interrogative mood we can also make various (...) speech act types. I propose a speech-act-theoretic account of a distinct kind of question that I label exam questions. According to the proposed account, one performs an exam question p only if (i) one has access to the answer to p, and (ii) one does not officially know whether the hearer knows the answer to p. Exam questions satisfy all the necessary requirements of being a distinct kind of speech act. Additionally, my proposal contributes to the recent expansion of the normative approach to a variety of speech acts. (shrink)

According to the normative approach, speech acts are governed by certain norms. Interestingly, the same is true for classes of speech acts. This paper considers the normative treatment of constatives, consisting of such classes as assertives, predictives, suggestives, and more. The classical approach is to treat these classes of illocutions as species of constatives. Recently, however, Simion (Shifty Speech and Independent Thought: Epistemic Normativity in Context, Oxford University Press, 2021) has proposed that all constatives (i) are species of assertion, and (...) (ii) are governed by the knowledge norm. I defend the classical treatment of constatives and show that Simion’s conclusion is untenable. No taxonomy of speech acts can accommodate such a view. More importantly, we can test whether a particular speech act is an assertion or not. I propose five tests of assertion, the passing of which is a necessary condition for being an assertion. Some constative speech acts fail these tests. Thus, contrary to Simion, not all constatives can be regarded as species of assertion. (shrink)

I propose an analysis of lying with uninformative speech acts. The orthodox view states that lying is restricted to assertions. However, the growing case for non-assertoric lies made by presuppositions or conventional implicatures challenges this orthodoxy. So far, the only presuppositions to have been considered as lies were informative presuppositions. In fact, uninformative lies were not discussed in the philosophical literature. However, limiting the possibility of lying to informative speech acts is too restrictive. Firstly, I show that standard, uninformative presuppositions (...) can also be lies. Secondly, I extend this picture into uninformative lies made by declarative statements. To implement my proposal, I do not need a new definition of lying. Recently popular commitment-based definitions of lying are able to properly handle uninformative lies. (shrink)

This paper offers a systematic classification and characterization of speech acts and their norms. Recently, the normative approach has been applied to various speech acts, most notably to constatives. I start by showing how the work on the norms of assertion has influenced various approaches to the norms of other speech acts. I focus on the fact that various norms of assertion have different extensions, i.e., they denote different clusters of illocutions as belonging to an assertion. I argue that this (...) has consequences for theorising about norms of other speech acts and generates certain arbitrary divisions. In the central part, I analyse two groups of speech acts. Firstly, ordinary speech acts, like predictions or retractions. Secondly, I indicate how the normative view can be extended to so-called ancillary speech acts, like presuppositions or implicatures. I end with a discussion of possible extensions of the normative approach, focusing on the debate on lying. (shrink)

The notion of so-called "postulated ontology" appears in the context of a well- -known thesis of the underdetermination of scientific theories by empirical data. It is argued in the paper, that the conviction of the existence of some kind of relation between a given theory and ontological ideas can be derived from this thesis, regardless of its particular form. Therefore, certain solutions to classical philosophical questions can be obtained, in principle, by careful inspection of scientific achievements. However, if the thesis (...) of underdetermination holds, such philosophical solutions are not imposed by science itself. In order to arrive at some kind of ontology based on science, it seems necessary to accept certain philosophical presuppositions in the first place. This, and the fact that scientific theories change in time show that although such a kind of ontology is possible, and perhaps desirable, it can never be ultimate. (shrink)

Although assertions are often characterised as essentially informative speech acts, there is a widespread disagreement concerning how the informativeness of assertions should be understood. This paper proposes the informativeness norm of assertion, which posits that assertions are speech acts that essentially deliver new information. As a result, if one asserts something that is already commonly known, one’s assertion is improper. The norm is motivated by appealing to unique conversational patterns associated with informative and uninformative uses of assertions, an analogy between (...) assertions and inquiries, and a distinction between assertions and uninformative speech acts. By focusing on the normative approach to speech acts, the paper discusses how particular norms of assertion deal with the data supporting the norm of informativeness. To be informative, the speaker must consider the epistemic position of the audience. Since the majority of norms proposed in the literature are speaker-centred, they fail to explain the submitted data. Looking more broadly, focusing on the informativeness of assertions underscores the crucial role of the audience in construing adequate speech act accounts. (shrink)

The widely accepted view states that an intention to deceive is not necessary for lying. Proponents of this view, the so-called non-deceptionists, argue that lies are simply insincere assertions. We conducted three experimental studies with false explanations, the results of which put some pressure on non-deceptionist analyses. We present cases of explanations that one knows are false and compare them with analogical explanations that differ only in having a deceptive intention. The results show that lay people distinguish between such false (...) explanations and to a higher degree classify as lies those explanations that are made with the intention to deceive. Non-deceptionists fail to distinguish between such cases and wrongly classify both as lies. This novel empirical finding indicates the need for supplementing non-deceptionist definitions of lying, at least in some cases, with an additional condition, such as an intention to deceive. (shrink)

I argue against Milić's (2017) proposal of analyzing “selfless assertions” (Lackey 2007) as proper, i.e., as assertions which satisfy the norm of assertion. In his view, selfless assertions are hedged assertions governed by the knowledge norm. In my critique, I show that Milić does not make a case that selfless assertions constitute such a special class of assertions. Moreover, he does not deliver a clear criterion for differentiating between flat-out assertions and hedged ones. What is more, his proposal leaves some (...) cases of selfless assertions unexplained. The outcome is that we are still left without a satisfactory account of selfless assertions as proper assertions. (shrink)

In their insightful article, Brent Kious and Margaret Battin (2019) correctly identify an inconsistency between an involuntary psychiatric commitment for suicide prevention and physician aid in dying (PAD). They declare that it may be possible to resolve the problem by articulating “objective standards for evaluating the severity of others’ suffering,” but ultimately they admit that this task is beyond the scope of their article since the solution depends on “a deep and difficult” question about comparing the worseness of two possible (...) scenarios: letting someone die (who could have been helped) with not letting someone die (whose suffering could only be alleviated by death). In our commentary, we argue that creating such standards is more difficult than the authors assume because of the many types of deep uncertainties we have to deal with: (1) diagnostic, (2) motivational, and (3) existential. (shrink)

Opracowanie ma charakter poglądowo-teoretyczny, powstało bowiem na podstawie przeglądu dostępnej literatury przedmiotu. Publikacja skierowana jest zarówno do naukowców jak i studentów zajmujących się tematyką starzenia się ludności, starości i osób starszych oraz do coraz szerszego grona zainteresowanych tymi zagadnieniami praktyków, w tym polityków i decydentów oraz reprezentantów usług publicznych, przedstawicieli mediów i organizacji pozarządowych. ** The study is illustrative and theoretical in nature, as it was based on a review of the available literature on the subject. The publication is addressed (...) to both scholars and students dealing with the subjects of population ageing, old age, and older adults, as well as to a growing group of practitioners interested in these issues, including politicians and decision-makers as well as representatives of public services, the media, and non-governmental organizations. (shrink)

This paper offers a normative account of the speech act of explanation with understanding as its norm. The previous accounts of the speech act of explanation rely on the factive notion of understanding and maintain that proper explanations require knowledge. I argue, however, that such accounts are too demanding and do not reflect the everyday practice of explanation and the attribution of understanding. Instead, I argue that the non-factive, objectual attitude of understanding is sufficient for a proper explanation. On the (...) normative level, explanations are governed by an audience-centred norm, i.e., they are sensitive to the epistemic position of the audience. According to the proposed account, an explanation is a communicative act in which one puts the audience in a position to understand the explained phenomenon. This proposal fits into the recent wave of applications of the normative account and makes space for the pluralism of illocutionary acts. (shrink)

The paper remains and reinforces a viewpoint that science and religion (theology) are methodologically and epistemologically independent. However, it also suggests that this independence can be overcome if a "third party" is taken into account, that is - philosophy. Such possibility seems to follow from the thesis of incommensurability and the thesis of underdetermination formulated and analyzed in current philosophy of science.

While agreeing with the main conclusion of Dominic Wilkinson and colleagues (Wilkinson, Butcherine, and Savulescu 2019), namely, that there is no moral difference between treatment withholding and withdrawal as such, we wish to criticize their approach on the basis that it treats the widespread acceptance of withdrawal aversion (WA) as a cognitive bias. Wilkinson and colleagues understand WA as “a nonrational preference for withholding (WH) treatment over withdrawal (WD) of treatment” (22). They treat WA as a manifestation of loss aversion (...) and refer to Kahneman and colleagues (1991), which defined this effect as follows: “the disutility of giving up an object is greater that the utility associated with acquiring it” (194). In a previous work, Wilkinson and Savulescu understood nonequivalence between treatment withholding and withdrawal as a reflection of slightly different, although related, phenomena: status quo bias or omission bias (Wilkinson and Savulescu 2012, 130–131). In neither of these two papers do they describe precisely the relation between these well-known psychological effects and WA, nor do they explain why they treat these effects as examples of nonrational preferences, despite the fact that these issues have been the subject of wide-ranging discussions on the intersection of psychology, economy, and philosophy. (shrink)

In this paper, I show that Turri’s (2015a) experimental study concerning selfless assertions is defective and should therefore be rejected. One performs a selfless assertion when one states something that one does not believe, and hence does not know, despite possessing well supported evidence to the contrary. Following his experimental study, Turri argues that agents in fact both believe and know the content of their selfless assertions. In response to this claim, I demonstrate that the conclusions he draws are premature (...) in this regard. More specifically, I criticize his methodology, showing that his study is not only incomplete but also yields contradictory results. In closing, I propose how such a study should be conducted in order to receive comprehensive results. (shrink)

Zasadnicza problematyka książki została podzielona na dwie części, uwzględniające tradycyjny podział na filozofię przyrody nieożywionej i filozofię przyrody ożywionej. Zastosowanie wspomnianego podziału jest uzasadnione zarówno charakterem bytów przyrodniczych, jak i dotychczasową literaturą przedmiotu. Te części poprzedzone zostały omówieniem zagadnień metodologicznych związanych z uprawianiem filozofii przyrody. Czwartą, dodatkową część publikacji, zatytułowaną Tajemnice przyrody, stanowią refleksje nad całością świata przyrodniczego ułożone w filozoficzny tryptyk: Przypadek, Cud, Sens. Są one próbą poszukiwania odpowiedzi na najbardziej podstawowe pytania, które pojawiają się na styku badań przyrodoznawstwa, (...) refleksji filozoficzno-przyrodniczej i teologii przyrody. (shrink)

Tendencja do zmniejszenia kosztów produkcji przez firmy działające na międzynarodowym rynku dotyka również reklamy. Międzynarodowe przedsiębiorstwa, chcąc ograniczyć wydatki na reklamę w poszczególnych krajach, decydują się coraz częściej na stosowanie tej samej reklamy w mniej lub bardziej zmienionej formie w różnych krajach, nie bacząc przy tym na istniejące między tymi krajami różnice kulturowe. Prezentowany artykuł wykazał, że istnieje wiele czynników, które należy uwzględnić w reklamie międzynarodowej, a których znajomość pozwala na podwyższenie jej efektywności w istotny sposób. Różnice między reklamą narodową (...) a międzynarodową dotyczą przede wszystkim czynników politycznych, gospodarczych i socjalnych, które wytyczają normy prawne, wpływają na wybór odpowiedniej strategii reklamy oraz wskazują na sposób zachowania konsumentów. Istotny wpływ na sukces reklamy międzynarodowej ma również dostrzeżenie różnic w nastawieniu do reklamy i jej postrzeganiu przez poszczególne społeczeństwa, wynikające z przynależności do innych kręgów kulturowych, które determinują myślenie i zachowanie jednostek. Każda kultura wykształciła swój własny system wartości i przywiązuje różną wagę do emocji. Mimo używania tych samych środków komunikacji w formie języka i obrazu znaki werbalne i wizualne jednej kultury nie zawsze mają swe wierne odpowiedniki w innej kulturze, mogą bowiem różnić się między sobą wywoływanymi skojarzeniami i konotacjami. Reklama międzynarodowa może być skuteczna we wszystkich krajach jedynie wtedy, jeśli uwzględni wspomniane różnice między poszczególnymi kulturami i dostosuje się na ich podstawie do specyfiki każdego rynku zbytu. Najlepszym rozwiązaniem dla reklamy międzynarodowej jest tym samym dążenie do maksymalnej standardyzacji reklamy przy jednoczesnym uwzględnieniu niezbędnych dyferencji kulturowych. (shrink)

Reklama jako sztuka perswazji wykorzystuje obecnie każdą technikę i każdy środek w celu zwiększenia swego wpływu na potencjalnego konsumenta. Ważnym aspektem reklamy są tzw. słowa-klucze (Schlüsselwörter), które ze względu na swą semantykę wywołują różnorodne pozytywne konotacje i skojarzenia. Słowa te transportują pewne wartości, które zostają przez konsumenta przenoszone na reklamowany produkt, co przyczynia się do zwiększenia wartości danego produktu w oczach konsumenta. Analizie poddano 100 tekstów reklamowych, które ukazały się w prasie niemieckiej w latach 2001-2002. Słowa-klucze zostały wyodrębniane osobno z (...) czterech grup tekstów reklamowych w zależności od reklamowanego produktu: leki, biżuteria, kosmetyki, samochody. W prezentowanym artykule wykazano, że użycie słów-kluczy zależy od reklamowanego produktu, co związane jest z reprezentowanymi przez te słowa różnymi wartościami i wywoływanymi przez nie różnymi konotacjami i skojarzeniami. W reklamie leków największą rolę odgrywają takie wartości jak skuteczność i naturalność, które spełniają w pełni oczekiwania konsumenta co do stosowania reklamowanych leków. Reklamy biżuterii podkreślają trwałość, tradycję i kosztowność produktów, dzięki czemu odnoszą się do emocji konsumentów i podkreślają ich status społeczny. Reklama samochodów kieruje uwagę konsumenta na bezpieczeństwo, technikę i komfort reklamowanych pojazdów, co podkreśla dostosowanie się do głównych potrzeb kupującego. Reklamy kosmetyków zachwalają natomiast swe produkty takimi określeniami, jak pielęgnacja, efektywność i skuteczność. Wspomniane słowa-klucze wskazują bezpośrednio lub poprzez skojarzenia i konotacje różne wartości, które odgrywają istotną rolę w danym społeczeństwie. Poprzez podświadome przeniesienie tych wartości na reklamowany produkt potencjalny konsument nie dokonuje zakupu określonego produktu, lecz postrzega ten produkt przez pryzmat związanych w nim wartości i decyduje się na kupno, jeśli dane wartości spełniają jego potrzeby. W wyniku powyższych rozważań można stwierdzić, iż konsument nie kupuje jedynie materialnego produktu, który dla konsumenta tylko w nieistotny sposób różni się od innych produktów tego samego rodzaju, ale wartości przekazywane przez reklamę pod postacią słów-kluczy. (shrink)

Contemporary physics, with two Einstein’s theories and with Heisenberg’s principle of indeterminacy are frequently interpreted as a removal of the causality from physics. We argue that this is wrong. There are no indications in physics, either classical or quantum, that physical laws are indeterministic, on the ontological level. On the other hand, both classical and quantum physics are, practically, indeterministic on the epistemic level: there are no means for us to predict the detailed future of the world. Additionally, essentially all (...) physical principles, including the arrow of time and the conservation of energy could be, hypothetically, violated. However, in contrast to Hume’s skepticism, we have no experimental evidence that the causality can be removed or even “hung on” in any case. The text contains some didactical-like issues, as well. (shrink)

Heated debates stemming from the confrontation of scientific knowledge with the biblical picture of the creation of man, which had followed the publication of Darwin's theory of evolution, became far less prominent in the second half of the 20th century. This was due to two factors: first, the theory of evolution was partly accepted in theological circles and at the same time biologists showed a growing awareness of the limited epistemological scope of the competence of the natural sciences. This lesson (...) from the history, however, seems to have been forgotten by many who now and again return to controversies which more often than not are caused by ideological quarrels over religion, with true scholarship being too easily lost from sight. The paper reminds some of the history of the controversy in question and suggests that at least some of the current problems regarding evolution˗and˗ creation controversy may have already found their solutions. In part 1, “The Theory of Evolution and the Creation of the Human” it deals with the general issue of human origins. In part 2, “Monogenism and Original Sin” it explores the notion of the ‘first human’ as it is employed in biology and in theology, and shows its completely different meaning in these two realms of knowledge which helps to resolve the recurrent controversy over monogenism. (shrink)

This Research Topic explores the ninth Sustainable Development Goal (SDG), which aims to build resilient infrastructure, promote inclusive and sustainable industrialization, and foster innovation, particularly in the context of post-COVID-19 pandemic recovery. The pandemic significantly impacted the manufacturing sector, leading to a global production drop, job losses, and disrupted supply chains, with less technology-intensive industries taking longer to regain ground. Despite these challenges, the United Nations highlights opportunities to enhance industrialization and technology distribution, emphasizing, among other things, the need to (...) expand mobile broadband networks, increase research and development investment, and improve rural road connectivity. (shrink)

Science and valuation — remarks about the condition of philosophical re ection on science this text is an attempt at a more general look at twentieth‐century philosophical re ection on science conceived as persistent trials to eliminate the non‐eliminateable, i.e. valuations. In this article, I recall the most important concepts of knowledge developed in the twentieth‐century philosophy of science by exposing assumed axiology in, among other things: the Vienna Circle, Karl raimund Popper’s falsi cationism, the historical and social approach of (...) thomas S. Kuhn’s paradigm, and the concept of the ideals of knowledge by Stefan Amsterdamski. I argue that the axiology, and more broadly philosophy is an indelible com‐ ponent of each accepted concept of scienti c knowledge. each concept of knowledge assumes a form of its valuation. (shrink)

This Research Topic focuses on the first Sustainable Development Goal (SDG) by the UN, which aims to “end poverty in all its forms everywhere.” Progress toward this goal is evaluated through various targets and indicators. The most recent SDG progress report highlighted how poverty reduction has significantly slowed and worsened, mainly due to the COVID-19 pandemic (United Nations, 2024). This unprecedented emergency has particularly affected informal workers, young people, and women. With the goal of eradicating poverty by 2030 currently off (...) track, intensified action is crucial. Moreover, amid a growing climate crisis, significant efforts are needed to bring the 2030 targets within reach. This Research Topic examines SDG1 from a sociological perspective, focusing on its framing, geographic adaptations, stakeholder involvement, and the influence of social mobility and stratification studies, especially in the context of the challenges of the post-COVID-19 pandemic. (shrink)

Obóz Kultury 2.0 Mirosław Filiciak, Alek Tarkowski, Agata Jałosińska, Andrzej Klimczuk, Maciej Rynarzewski, Jacek Seweryn, Stunża M., D. Grzegorz, Marcin Wilkowski & Anna Orlik .

This Research Topic addresses the eleventh Sustainable Development Goal (SDG), which is to “make cities and human settlements inclusive, safe, resilient and sustainable.” Several individual targets and indicators measure progress toward this goal. Researchers study, among others, urban inclusion, the influence of urban policy on socioeconomic disparities, and gentrification. This Research Topic primarily addresses the challenges and complexities of sustainable urban planning and development concerning decent work, economic growth, and associated crises due to their significant impact on urban living.

Logical and philosophical literature provides different classifications of reasoning. In the Polish literature on the subject, for instance, there are three popular ones accepted by representatives of the Lvov-Warsaw School: Jan Łukasiewicz, Tadeusz Czeżowski and Kazimierz Ajdukiewicz (Ajdukiewicz in Logika pragmatyczna [Pragmatic Logic]. PWN, Warsaw (1965, 2nd ed. 1974). Translated as: Pragmatic Logic. Reidel & PWN, Dordrecht, 1975). The author of this paper, having modified those classifications, distinguished the following types of reasoning: (1) deductive and (2) non-deductive, and additionally two (...) types of them in each of the two, depending on the manner of combining their premises with the conclusion through the relation of classical logical entailment. Consequently, the four types of reasoning: unilateral deductive (incl. its sub-types: deductive inference and proof), bilateral deductive (incl. complete induction), and reductive (incl. the sub-types: explanation and verification), logically nonvaluable (incl. inference by analogy, statistic inference), correspond to four operators of derivability. They are defined formally on the ground of Tarski’s axiomatic theory of deductive systems, by means of the consequence operation _Cn_ (Tarski in Monatshefte Math Phys 37:361–404, 1930a, C R Soc Sci Lett Vars 23:22–29, 1930b). Also, certain metalogical properties of these operators are given, as well as their relations with Tarski’s consequence operations \(Cn^+\) ( \(Cn^+ = Cn\) ) and dual consequences \(Cn^{-1}\) (Słupecki in Zeszyty Naukowe Uniwersytetu Wrocławskiego Seria B Nr 3:33–40, 1959, Słupecki et al. in Stud Log 29:76–123, 1971, Wybraniec-Skardowska, in: Wybraniec-Skardowska, Bryll (eds) Z badań nad teorią zdań odrzuconych [Studies in the Theory of Rejected Propositions], Series B, Studia i Monografie, Zeszyty Naukowe Wyższej Szkoły Pedagogicznej w Opolu, Opole, 1969), and \(Cn^-\) (Wójcicki in Bull Sect Log 2(2):54–57, 1973)). (shrink)

Contents: Danuta Ługowska, Incommensurability of Paradigms Exemplified by the Differences Between the Western and Eastern European Image of the Human Person ; Maria-Magdalena Weker, Light, Body and Soul – the Issues Fundamental for Theories of Vision. A Historical Survey ; Dariusz Kucharski, The Conception of Sensory Perception and Scientific Research. (The Theory of Sign within Philosophy of G. Berkeley and T. Reid) ; Grzegorz Bugajak, Causality and Determinism in Physics ; Anna Lemańska, Truth in Mathematics ; Anna Latawiec, Troubles (...) with the Philosophy of Medicine ; Adam Świeżyński, Values, Axiological Experience, and Scientific Research ; Grzegorz Bugajak, Fears of Science. Nature and Human Actions ; Adam Świeżyński, Some Remarks on the Human Search for Sense in the Context of Human Actions. (shrink)

Contents: Anna Lemańska, The Autonomous Philosophy of Nature ; Anna Latawiec, The Progress in the Philosophy of Nature ; Grzegorz Bugajak, Philosophy of Nature, Realism, and the Postulated Ontology of Scientific Theories ; Maria-Magdalena Weker, Multi-dimensional Image of the World ; Jarosław Kukowski, The Application of Principia Mathematica and Principia Metaphisica for Resolving the Incommensurate Paradigms. The Comparative Study in Philosophy of Physics and Philosophy of Nature ; Danuta Ługowska, The Dilemmas Concerning the Essence of Life ; Adam Świeżyński, (...) The Beginning of the Universe in the Concept of Creation and in Contemporary Cosmology. The Philosopher’s of Nature Considerations . (shrink)