The study explores the future of AI-driven media and info-communication as envisioned by experts from all world regions, defining relevant terminology and expectations for 2050. Participants engaged in a 4-week series of surveys, questioning their definitions and projections about AI for the field of media and communication. Their expectations predict universal access to democratically available, automated, personalized and unbiased information determined by trusted narratives, recolonization of information technology and the demystification of the media process. These experts, as technology ambassadors, advocate (...) AI-to-AI solutions to mitigate technology-driven misuse and misinformation. The optimistic scenarios shift responsibility to future generations, relying on AI-driven solutions and finding inspiration in nature. Their present-based forecasts could be construed as being indicative of professional near-sightedness and cognitive dissonance. Visualizing our findings into a Glasses Model of AI Trust, the study contributes to key debates regarding AI policy, developmental trajectories, and academic research in media and info-communication fields. (shrink)

While debate is heating up regarding the development of AI and its perceived impacts on human society, policymaking is struggling to catch up with the demand to exercise some regulatory control over its rapid advancement. This paper aims to introduce the concept of entangled AI that emerged from participatory backcasting research with an AI expert panel. The concept of entanglement has been adapted from quantum physics to effectively capture the envisioned form of artificial intelligence in which a strong interconnectedness between (...) AI, humans, society, and nature is reflected. Entanglement assumes that AI should serve nature, social well-being, justice, and the resilience of this intertwined network simultaneously and promote a dynamic balance among these factors. This approach allows us to understand the pervasive role of this technology and the scope of human agency in its development. The study shows how such concepts seem to transcend the dominant discourses related to expectations, technological determinism, and humanism. An additional aim of this paper is to demonstrate how backcasting can contribute to generating useful understandings of the future of AI and fruitful insights for policymaking. (shrink)

On the dust jacket of The Subject's Point of View there is a detail from Vilhelm Hammershoi's Interior with Sitting Woman. It is hard to think of a painter who better captures the inner in his work. From the monochrome colour, to the back that faces us, to the door swung open to reveal yet another doorway, we are led to interiority – to the inner. This is a perfect image for a book whose author wants to persuade us to (...) return to the interior – a Cartesian interior.The Cartesian interior has come in for quite a drubbing in philosophy for some considerable time. In the mid-to-late 1970s, a style of argument emerged, designed to challenge this conception of mind and establish in its place an externalist conception of language and of mind. One version of the argument was due to Hilary Putnam and emerged in the context of considerations concerning linguistic meaning; another was due to Tyler Burge and emerged first in the context of considerations concerning the individual in relation to his/her social environment. In his earliest paper, on this topic, Burge wrote of ‘the elderly Cartesian tradition’ where ‘the spotlight is on what exists or transpires “in” the individual – his secret cognition, his innate cognitive structures, his private perceptions and introspections, his grasping of ideas, concepts or forms’. Farkas wants to defend this ‘elderly tradition’, but she does add to it some interesting twists. First and foremost, she places to one side ideas of privacy, of incorrigibility and infallibility. She also wishes to place the issue of dualism to one side. What Farkas concentrates on is privileged access and argues that this is …. (shrink)

Know -wh ascriptions are ubiquitous in many languages. One standard analysis of know -wh is this: someone knows-wh just in case she knows that p, where p is an answer to the question included in the wh-clause. Additional conditions have also been proposed, but virtually all analyses assume that propositional knowledge of an answer is at least a necessary condition for knowledge-wh. This paper challenges this assumption, by arguing that there are cases where we have knowledge-wh without knowledge- that of (...) an answer, for example in the cases familiar from arguments for the Extended Mind hypothesis. (shrink)

The purpose of our study was to measure the relationship between performance on various attentional tasks and hypnotic susceptibility. Healthy volunteers participated in a study, where they had to perform several tasks measuring various attention components in a waking state: sustained attention, selective or focused attention, divided attention and executive attention in task switching. Hypnotic susceptibility was measured in a separate setting by the Waterloo-Stanford Groups Scale of Hypnotic Susceptibility, Form C .We found no significant correlation between any of the (...) attentional measures and hypnotic susceptibility. Highly hypnotizables did not prove to be superior to or worse than the other individuals in any of the tests.These results do not support the neuropsychophysiological model of hypnosis, as they show no consistent relationship between hypnotic susceptibility and waking attentional performance. (shrink)

Nonclassical logics have played an increasing role in recent years in disciplines ranging from mathematics and computer science to linguistics and philosophy. _Generalized Galois Logics_ develops a uniform framework of relational semantics to mediate between logical calculi and their semantics through algebra. This volume addresses normal modal logics such as K and S5, and substructural logics, including relevance logics, linear logic, and Lambek calculi. The authors also treat less-familiar and new logical systems with equal deftness.

It is an integral part of the phenomenology of mature perceptual experience that it seems to present to us an experience-independent world. I shall call this feature 'perceptual intentionality'. In this paper, I argue that perceptual intentionality is constructed by the structure of more basic sensory features, features that are not intentional themselves. This theory can explain why the same sensory feature can figure both in presentational and non-presentational experiences. There is a fundamental difference between the intentionality of sensory experiences (...) and the intentionality of thoughts: unlike the former, the latter is not constructed. (shrink)

This paper was chosen by The Philosopher’s Annual as one of the ten best articles appearing in print in 2000. Reprinted in Volume XXIII of The Philosopher’s Annual. In his very influential book David Chalmers argues that if physicalism is true then every positive truth is a priori entailed by the full physical description – this is called “the a priori entailment thesis – but ascriptions of phenomenal consciousness are not so entailed and he concludes that Physicalism is false. As (...) he puts it, “zombies” are metaphysically possible. I attempt to show that this argument is refuted by considering an analogous argument in the mouth of a zombie. The conclusion of this argument is false so one of the premises is false. I argue at length that this shows that the original conceivability argument also has a false premise and so is invalid. (shrink)

Illusionism claims that we are not conscious, that there is nothing it is like, in the usual sense of the word, to feel sad, or to smell lavender. According to Illusionists, we are, in a technical sense, zombies. Instead of arguing for the falsity of Illusionism directly, I will explain why the main philosophical motivations for it are mistaken – and I trust the rest will be taken care of by the extreme implausibility of the view. I want to spread (...) the good news to Illusionists that they don’t need to resort to this highly counterintuitive, strange, and as I will argue later, morally corrosive idea. One can be a physicalist and phenomenal realist since neither of the two types of arguments Illusionists rely on – the conceivability arguments, and the debunking arguments against physicalist phenomenal realism – work. In the last part of the paper, I will say something about the corrosive effect this metaphysics has on our moral and evaluative outlook. (shrink)

Feminism controversially, but fundamentally, influences why and how women's groups become implicated in politics. The debates around the meaning of feminism and the practice of feminist activism have established a discourse and created common melodies as well as some dissonance among women's groups in Hungary. This article discusses different interpretations of women's status that affect how Hungarian feminism has developed in what the author sees, contrary to a more common view, as an East—West continuum. The article analyzes how women's groups (...) in Hungary create affiliations and relate to the West, both ideologically and materially. The article unfolds the many different forms of Hungarian women's groups according to different `layers' of feminist consciousness. A vital element in forming these layers has been anti-feminism and how it has sometimes hindered consciousness or perhaps made some `differently sensitive'. Subsequently, the article uses a feminist reinterpretation of politics — women's interpretations of what belongs to the private and public spheres — without which, the author claims, contemporary women's activism in Hungary cannot be understood or even seen. The author argues that the interlocking forms of political actions among women's groups shape the postCommunist arena, although this shaping may be less immediately visible to the casual observer. (shrink)

It is commonly assumed that besides knowledge of facts or truths, there is also knowledge of things–for example, we say that we know people or know places. We could call this "objectual knowledge". In this paper, I raise doubts about the idea that there is a sui generis objectual knowledge that is distinct from knowledge of truths.

Irresistibly charming or shamelessly deceitful, remarkably persuasive or uselessly verbose, everything one loves to hate — or hates to love — about “French lovers” and their self-styled reputation can be traced to eighteenth-century libertine novels. Obsessed with strategies of seduction, endlessly speculating about the motives and goals of lovers, the idle aristocrats who populate these novels are exclusively preoccupied with their erotic lives. Deprived of other battlefields in which to fulfill their thirst for glory, libertine noblemen seek to conquer the (...) women of their class without falling into the trap of love, while their female prey attempt to enjoy the pleasures of love without sacrificing their honor. Yet, in spite of the licentious mores of the declining Old Regime, men and women are still expected to pay lip service to an austere code of morals. Asked to constantly denounce their own practices, they find that their erotic war games are thus governed by a double constraint: whatever they feel or intend, the heroes of libertine literature can neither say what they mean nor mean what they say. The Libertine Reader includes all the varieties of libertine strategies: from the successful cunning of Mme de T– in Denon’s No Tomorrow to the ill-fated genius of Mme Merteuil in Laclos’s Dangerous Liaisons; from the laborious sentimental education of Meilcour in Crébillon fils’s Wayward Head and Heart to the hazardous master plan of the French ambassador in Prévost’s The Story of a Modern Greek Woman. The discrepancies between the characters’ words and their true intentions — the libertine double entendre — are exposed through the speaking vaginas in Diderot’s Indiscreet Jewels and the wandering soul of Amanzei in Crébillon fils’s Sofa, while the contrasts between natural and civilized — or degenerate — erotics are the subjects of both Diderot’s Supplement to Bougainville’s Voyage and Laclos’s On the Education of Women. Finally, Sade’s Florville and Courval shows that destiny itself is on the side of libertinism. [Publisher's abstract]. (shrink)

Is modern logic an improvement on Aristotelian logic or is there some other relationship between the two? In which sense is modern logic more advanced than Aristotelian logic? Is logic a cummulative developing discipline or is the progress in the course of the history of logic somehow different from the cumulatively developing processes? Are these logics based on different -- mutually untranslatable -- paradigms? The paper analyzes these questions in connection with some more general problems of the philosophy of science.

This paper was inspired by William Holman Hunt’s Pre-Raphaelite painting, The Light of the World.https://www.keble.ox.ac.uk/about/chaptel/Light%20of%20the%20world%202.JPG/view. It is a well-known Victorian oil painting with rich symbolism. In this essay I outline the context, describe the painting and reflect on the role of spirituality and contemplation in one’s work and personal life. I offer autoethnographic illustrations and argue that spirituality and contemplation make a positive contribution to wellbeing and can support one’s search for meaning, purpose and connectedness in the world.

The paper raises the theoretical question of the cultural mediational nature of literary intertexts from the point of view of generic and transformational dynamics. The intertextual complex as mediational operator is examined at two levels – (1) in the context of cultural diachrony by observing how the literary work establishes its place in the history of literature closely connected to the metapoiesis of the text; (2) at various kinds of intratextual interlevel movements regulating the evolution of a whole intertextual system (...) within the work. Differentiating the ontological, generative and transformational conceptualization of intertextual poetics, an attempt is made to define the basic textual modes of the pretext, the intext and the intertext by describing their functionality in the building of an intersemiotic literary system. The relevant functions are grasped by shedding light upon the types of the sign of which the given signifying structures consist (here a terminological clarification and re-evaluation are added) and their textual semantics in terms of referential and relational quality (cf. the different versions of referential and relational semantics). In the first place, however, the paper aims at outlining the structure and content of the generic-transformational semiotic processes in which the dynamic aspects of intertextual semiosis are revealed. Within this framework, the processuality of the development of the intertextual signifying structure iselucidated, shown as a chain of reciprocal sign activities resulting in constantly evolving semantic shifts within the intra- and intertextual semiosis processes, all relying on mediational operations. Text examples are taken from and references made to works by A. S. Pushkin, I. S. Turgenev, F. M. Dostoevsky and J. M. Coetzee. (shrink)

The dissertation offers a study of Kant's aesthetic theory as it is developed in the "Critique of Aesthetic Judgment", the first half of his Critique of Judgment, which is widely acknowledged to be the founding text of modern philosophical aesthetics. I aim to show that this work elaborates an important and deeply interesting study of the nature and conditions of aesthetic judgment which---despite the recent resurgence of commentary and of secondary literature---has not yet been inherited. I give an account focused (...) on understanding Kant's idea that aesthetic judgment makes a claim to "subjective universality" and "exemplary necessity", the "twofold peculiarity" of aesthetic judgment that Kant himself presents as the main thematic guiding the course of the Critique. I argue for an interpretation of Kant's notion of aesthetic judgment which takes seriously his idea that its demand for the agreement of others takes the form of a presumption, in which the judge offers her judgment as exemplary of a "universal voice", apart from any independently or transcendentally assured authorization. (shrink)

Die Beiträge dieses Sammelbandes stellen zum einen Wittgensteins Philosophie in wirkungsgeschichtlichen Zusammenhängen dar, zum anderen fragen sie danach, wie sich Wittgensteins Problemstellungen zu traditionellen Fragen der Ideengeschichte verhalten, ohne dabei unbedingt an unmittelbare geistesgeschichtliche Einflüsse zu denken. So werden im Buch Themen behandelt wie Wittgenstein und der Cartesianismus, Wittgensteins Religiosität vor dem Hintergrund des Werkes von Pascal, Tolstoi und Kierkegaard, Wittgensteins Grammatikbegriff im Kontext analytischer und synthetischer Sätze, sein Bild von Weininger, Aspekte malerischer Gestaltung seiner Arbeitsweise, oder die Frage, inwieweit (...) er zu der sogenannten Österreichischen Philosophie zu zählen ist. Eine wittgensteinianische Kritik von Brandoms Inferentialismus rundet den Band ab. (shrink)

Descartes's philosophy has had a considerable influence on the modern conception of the mind, but many think that this influence has been largely negative. The main project of The Subject's Point of View is to argue that discarding certain elements of the Cartesian conception would be much more difficult than critics seem to allow, since it is tied to our understanding of basic notions, including the criteria for what makes someone a person, or one of us. The crucial feature of (...) the Cartesian view defended here is not dualism--which is not adopted--but internalism. Internalism is opposed to the widely accepted externalist thesis, which states that some mental features constitutively depend on certain features of our physical and social environment. In contrast, this book defends the minority internalist view, which holds that the mind is autonomous, and though it is obviously affected by the environment, this influence is merely contingent and does not delimit what is thinkable in principle. Defenders of the externalist view often present their theory as the most thoroughgoing criticism of the Cartesian conception of the mind; Katalin Farkas offers a defence of an uncompromising internalist Cartesian conception. (shrink)

Not so long ago, people had a very different concept of the mind and human nature. Our European heritage is a vision of the body as our mortal coil which we feel and command with our soul. The soul was thought to be immortal and exempt from the laws of nature so that our actions are not determined by anything outside of the boundaries of the soul. Souls of all sorts, of angels and spirits in addition to humans, permeated the (...) universe. The universe was an ordered cosmos with human beings at the center of it with a very special role to play in it. It was commonly held that only the soul can truly exhibit creativity and intelligence which no mere mechanism could replicate. Dreams and visions were considered important messengers. All this is quite intuitive; and its remnants are probably deeply ingrained in the everyday manner in which we still think about ourselves. -/- There is not much about the premodern conception that has survived these changes, except the view that we are conscious beings, i.e., that there is, in Thomas Nagel’s expression, something it is like to be us. Illusionists deny that there consciousness is real; this strange view is spreading from the halls of academia to popular media. I investigate the causes and consequences of this latest development in our conception of the mind. (shrink)

According to the Extended Mind thesis, the mind extends beyond the skull or the skin: mental processes can constitutively include external devices, like a computer or a notebook. The Extended Mind thesis has drawn both support and criticism. However, most discussions—including those by its original defenders, Andy Clark and David Chalmers—fail to distinguish between two very different interpretations of this thesis. The first version claims that the physical basis of mental features can be located spatially outside the body. Once we (...) accept that the mind depends on physical events to some extent, this thesis, though not obvious, is compatible with a large variety of views on the mind. The second version applies to standing states only, and has to do with how we conceive the nature of such states. This second version is much more interesting, because it points to a potential tension in our conception of minds or selves. However, without properly distinguishing between the two theses, the significance of the second is obscured by the comparative triviality of the first. (shrink)

In this paper I begin to develop an account of the acquaintance that each of us has with our own conscious states and processes. The account is a speculative proposal about human mental architecture and specifically about the nature of the concepts via which we think in first personish ways about our qualia. In a certain sense my account is neutral between physicalist and dualist accounts of consciousness. As will be clear, a dualist could adopt the account I will offer (...) while maintaining that qualia themselves are non-physical properties. In this case the non-physical nature of qualia may play no role in accounting for the features of acquaintance. But although the account could be used by a dualist, its existence provides support for physicalism. (shrink)

Immanuel Kant's Critique of Judgment is widely recognized as a founding document of modern aesthetics, but its legacy has fallen into disrepute. In this book Katalin Makkai calls for the rediscovery of Kant's aesthetics, showing that its centerpiece, his investigation of the judgment of taste, paints a compelling portrait of our relationships with works of art that we love. At its heart is a scene of aesthetic encounter in which one feels oneself to be 'animated' - brought to life (...) - by an object, finding there to be something in one's experience of it, beyond what there is to know about it, that one wants to explore and articulate. Tracing Kant's insight that to judge is to reveal one's sense of what bears judging, and hence of what matters, Makkai situates Kant's aesthetics within his larger study, begun in the first Critique, of judgment's fundamental role in the life of the mind. (shrink)

The central and paradigmatic cases of knowledge discussed in philosophy involve the possession of truth. Is there in addition a distinct type of practical knowledge, which does not aim at the truth? This question is often approached through asking whether states attributed by “know-how” locutions are distinct from states attributed by “know-that”. This paper argues that the question of practical knowledge can be raised not only about some cases of “know-how” attributions, but also about some cases of so-called “know-wh” attributions; (...) and that certain features of this practical knowledge-wh put pressure on the standard analysis of know-wh. (shrink)

On a Cartesian conception of the mind, I could be a solitary being and still have the same mental states as I currently have. This paper asks how the lives of other people fit into this conception. I investigate the second-person perspective—thinking of others as ‘you’ while engaging in reciprocal communicative interactions with them—and argue that it is neither epistemically nor metaphysically distinctive. I also argue that the Cartesian picture explains why other people are special: because they matter not just (...) for the effect that they have on us. (shrink)

Frankish positions his view, illusionism about qualia (a.k.a. eliminativist physicalism), in opposition to what he calls radical realism (dualism and neutral monism) and conservative realism (a.k.a. non-eliminativist physicalism). Against radical realism, he upholds physicalism. But he goes along with key premises of the Gap Arguments for radical realism, namely, 1) that epistemic/explanatory gaps exist between the physical and the phenomenal, and 2) that every truth should be perspicuously explicable from the fundamental truth about the world; and he concludes that because (...) physicalism is true, there could be no phenomenal truths, and no qualia. I think he is wrong to accept 2); and even if he was right to accept it, the more plausible response would be not to deny the existence of qualia but to deny physicalism. In either case, denying the existence of qualia is the wrong answer. I present a physicalist realist alterative that refutes premise 2 of the Gap Argument; I also make a general case against the scientism that accompanies Frankish’s metaphysics. (shrink)

Hallucinations occur in a wide range of organic and psychological disorders, as well as in a small percentage of the normal population According to usual definitions in psychology and psychiatry, hallucinations are sensory experiences which present things that are not there, but are nonetheless accompanied by a powerful sense of reality. As Richard Bentall puts it, “the illusion of reality ... is the sine qua non of all hallucinatory experiences” (Bentall 1990: 82). The aim of this paper is to find (...) out what lends an experience ‘a sense of reality’: what features are required for an experience to feel ‘real’, in the relevant sense? I will investigate the claim that phenomenological features are largely responsible for a sense of reality, and will find this claim wanting. My suggestion is that a sense of reality is created and sustained by the larger nexus of the subject's beliefs. (shrink)

In recent years, several philosophers have defended the idea of phenomenal intentionality : the intrinsic directedness of certain conscious mental events which is inseparable from these events’ phenomenal character. On this conception, phenomenology is usually conceived as narrow, that is, as supervening on the internal states of subjects, and hence phenomenal intentionality is a form of narrow intentionality. However, defenders of this idea usually maintain that there is another kind of, externalistic intentionality, which depends on factors external to the subject. (...) We may ask whether this concession to content externalism is obligatory. In this paper, I shall argue that it isn’t. I shall suggest that if one is convinced that narrow phenomenal intentionality is legitimate, there is nothing stopping one from claiming that all intentionality is narrow. (shrink)

A ternary relation is often used nowadays to interpret an implication connective of a logic, a practice that became dominant in the semantics of relevance logics. This paper examines two early manuscripts --- one by Routley, another by Meyer --- in which they were developing set-theoretic semantics for various relevance logics. A standard presentation of a ternary relational semantics for, let us say, the logic of relevant implication R is quite illuminating, yet the invention of this semantics was fraught with (...) false starts. Meyer's manuscript, in which he builds on some ideas from Routley's manuscript, essentially contains a relational semantics for which R^{ot} is sound and complete. (shrink)

Most discussions in epistemology assume that believing that p is a necessary condition for knowing that p. In this paper, I will present some considerations that put this view into doubt. The candidate cases for knowledge without belief are the kind of cases that are usually used to argue for the so-called ‘extended mind’ thesis.

During the last two decades, several different anti-physicalist arguments based on an epistemic or conceptual gap between the phenomenal and the physical have been proposed. The most promising physicalist line of defense in the face of these arguments – the Phenomenal Concept Strategy – is based on the idea that these epistemic and conceptual gaps can be explained by appeal to the nature of phenomenal concepts rather than the nature of non-physical phenomenal properties. Phenomenal concepts, on this proposal, involve unique (...) cognitive mechanisms, but none that could not be fully physically implemented. David Chalmers has recently presented a Master Argument to show that the Phenomenal Concept Strategy – not just this or that version of it, but any version of it – fails. Chalmers argues that the phenomenal concepts posited by such theories are either not physicalistically explicable, or they cannot explain our epistemic situation with regard to qualia. I argue that it is his Master Argument that fails. My claim is his argument does not provide any new reasons to reject the Phenomenal Concept Strategy. I also argue that, although the Phenomenal Concept Strategy is successful in showing that the physicalist is not rationally compelled to give up physicalism in the light of the anti-physicalist arguments, the anti-physicalist is not rationally compelled to give up the anti-physicalist argument in the light of the Phenomenal Concept Strategy either. (shrink)

In “The Meta-Problem of Consciousness”, David Chalmers draws a new framework in which to consider the mind-body problem. In addition to trying to solve the hard problem of consciousness – the problem of why and how brain processes give rise to conscious experience –, he thinks that philosophy, psychology, neuro-science and the other cognitive sciences should also pursue a solution to what he calls the “meta-problem” of consciousness – i.e., the problem of why we think there is a problem with (...) consciousness. My claim is that, while Chalmers’s project is generously ecumenical as well as beautiful in its meticulous detail, it is mistaken in its core assumption that the meta-problem can be formulated as an “easy problem” for science to solve. Furthermore, the project tilts the field toward illusionism against Type-B materialism, as far as physicalist solutions to the hard problem and the meta-problem are concerned. I will argue that Type-B materialism emerges unscathed from this dialectic. (shrink)

This paper investigates the question of whether know-how can be regarded as a form of non-propositional intentionality.

The fixed point combinator (Y) is an important non-proper combinator, which is defhable from a combinatorially complete base. This combinator guarantees that recursive equations have a solution. Structurally free logics (LC) turn combinators into formulas and replace structural rules by combinatory ones. This paper introduces the fixed point and the dual fixed point combinator into structurally free logics. The admissibility of (multiple) cut in the resulting calculus is not provable by a simple adaptation of the similar proof for LC with (...) proper combinators. The novelty of our proof—beyond proving the cut for a newly extended calculus–is that we add a fourth induction to the by-and-large Gentzen-style proof. (shrink)

In this paper I discuss three problems of consciousness. The first two have been dubbed the “Hard Problem” and the “Harder Problem”. The third problem has received less attention and I will call it the “Hardest Problem”. The Hard Problem is a metaphysical and explanatory problem concerning the nature of conscious states. The Harder Problem is epistemological, and it concerns whether we can know, given physicalism, whether some creature physically different from us is conscious. The Hardest Problem is a problem (...) about reference. Recently some philosophers – among them David Papineau – who advocate a physicalist approach to both the Hard and the Harder problem have called into question the common sense assumption that phenomenal concepts – subjective concepts that we apply directly to experience – refer determinately (modulo vagueness) to real properties that can be instantiated in minds other than my own. The Hardest Problem is the problem of explaining how, given physicalism, this assumption could be true. In this paper I explore how these three problems appear from the perspective of a physicalist approach to consciousness based on Brian Loar’s account of phenomenal concepts, recently dubbed the “phenomenal concept strategy”. My contention is that this approach can go quite far in handling not just the first two problems but the Hardest Problem as well. (shrink)

There is a tradition, going back at least to Descartes, of arguing against physicalism on the basis of claims about conceivability. Philosophers in this tradition claim that we can conceive of any physical facts obtaining without there being any phenomenal experience. From this conceptual claim it is further argued that it is metaphysically possible for any physical fact to obtain without the occurrence of any phenomenal experience. If this is correct, then physicalism as it is usually construed is false. In (...) this paper I examine and refute the new conceivability arguments due to Frank Jackson and David Chalmers. I will argue, namely, that the crucial premiss of the arguments, the one that links conceivability with metaphysical possibility, is self-undermining. I proceed in two steps. First, I lay out the two arguments, and show that the crucial premiss in Jackson's argument, and so Chalmers' corresponding premiss as well, is self-undermining, and so that the alleged link between conceivability and metaphysical possibility does not exist. This does not amount to an argument for physicalism, except indirectly; what I show is that the argument on which non-physicalists most rely is ineffective. (shrink)

The dissertation deals with problems in "logic", more precisely, it deals with particular formal systems aiming at capturing patterns of valid reasoning. Sequent calculi were proposed to characterize logical connectives via introduction rules. These systems customarily also have structural rules which allow one to rearrange the set of premises and conclusions. In the "structurally free logic" of Dunn and Meyer the structural rules are replaced by combinatory rules which allow the same reshuffling of formulae, and additionally introduce an explicit marker (...) for the application of the rule---the combinator. The dissertation gives syntactic extensions of such systems introducing conjunction and disjunction . Cut elimination is proved for these systems. ;Syntactic systems as a rule are accompanied by a semantics which interprets them. The extended systems are supplied with semantics using algebraic methods. First, the Lindenbaum algebras are formed, and then these algebras are represented in an algebra of sets. This gives a so called Kripke-style semantics for the systems. The representation for the distributive extension utilizes well-known techniques; it uses sets of prime filters and set theoretical operations on them to deal with conjunction and disjunction, plus a ternary accessibility relation to accommodate the intensional operators as fusion and implication. The representation theorem is proven generally, i.e., for arbitrary sets of combinators using the "squeeze lemma" of Routley and Meyer. ;The non-distributive calculi require a different representation since union and intersection are distributive. Two previous representations for lattices are overviewed, and a modification of the Hartonas-Dunn representation is successfully augmented with the intensional operations. Instead of sets of filters, sets of pairs of minimally inconsistent filters and ideals are used and the representation theorem is proven. The representation results provide soundness and completeness for the systems. The dissertation also investigates properties of dual combinators , proving a series of lemmas about dual combinatory systems not being Church-Rosser and being inconsistent. Combinatorially definable classes of lambda-terms are considered as well. (shrink)