Results for 'Hideyuki Tanaka'

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  1. Paraconsistent Dynamics.Patrick Girard & Koji Tanaka - 2016 - Synthese 193 (1):1-14.
    It has been an open question whether or not we can define a belief revision operation that is distinct from simple belief expansion using paraconsistent logic. In this paper, we investigate the possibility of meeting the challenge of defining a belief revision operation using the resources made available by the study of dynamic epistemic logic in the presence of paraconsistent logic. We will show that it is possible to define dynamic operations of belief revision in a paraconsistent setting.
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  2. Two Kinds of Logical Impossibility.Alexander Sandgren & Koji Tanaka - 2020 - Noûs 54 (4):795-806.
    In this paper, we argue that a distinction ought to be drawn between two ways in which a given world might be logically impossible. First, a world w might be impossible because the laws that hold at w are different from those that hold at some other world (say the actual world). Second, a world w might be impossible because the laws of logic that hold in some world (say the actual world) are violated at w. We develop a novel (...)
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  3. Paraconsistency: Logic and Applications.Francesco Berto, Edwin Mares, Koji Tanaka & Francesco Paoli (eds.) - 2013 - Dordrecht, Netherland: Springer.
    A logic is called 'paraconsistent' if it rejects the rule called 'ex contradictione quodlibet', according to which any conclusion follows from inconsistent premises. While logicians have proposed many technically developed paraconsistent logical systems and contemporary philosophers like Graham Priest have advanced the view that some contradictions can be true, and advocated a paraconsistent logic to deal with them, until recent times these systems have been little understood by philosophers. This book presents a comprehensive overview on paraconsistent logical systems to change (...)
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  4. Buddhist Logic From a Global Perspective.Koji Tanaka - 2021 - In Inkeri Koskinen, David Ludwig, Zinhle Mncube, Luana Poliseli & Luis Reyes-Galindo (eds.), Global Epistemologies and Philosophies of Science. London: Routledge. pp. 274-285.
    Buddhist philosophers have developed a rich tradition of logic. Buddhist material on logic that forms the Buddhist tradition of logic, however, is hardly discussed or even known. This article presents some of that material in a manner that is accessible to contemporary logicians and philosophers of logic and sets agendas for global philosophy of logic.
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  5. Logically Impossible Worlds.Koji Tanaka - 2018 - Australasian Journal of Logic 15 (2):489.
    What does it mean for the laws of logic to fail? My task in this paper is to answer this question. I use the resources that Routley/Sylvan developed with his collaborators for the semantics of relevant logics to explain a world where the laws of logic fail. I claim that the non-normal worlds that Routley/Sylvan introduced are exactly such worlds. To disambiguate different kinds of impossible worlds, I call such worlds logically impossible worlds. At a logically impossible world, the laws (...)
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  6. Buddhist Philosophy of Logic.Koji Tanaka - 2013 - In Steven Michael Emmanuel (ed.), Blackwell Companion to Buddhist Philosophy. Chichester: Wiley-Blackwell. pp. 320-330.
    Logic in Buddhist Philosophy concerns the systematic study of anumāna (often translated as inference) as developed by Dignāga (480-540 c.e.) and Dharmakīti (600-660 c.e.). Buddhist logicians think of inference as an instrument of knowledge (pramāṇa) and, thus, logic is considered to constitute part of epistemology in the Buddhist tradition. According to the prevalent 20th and early 21st century ‘Western’ conception of logic, however, logical study is the formal study of arguments. If we understand the nature of logic to be formal, (...)
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  7. Priest’s Anti-Exceptionalism, Candrakīrti and Paraconsistency.Koji Tanaka - 2019 - In Can Başkent & Thomas Macaulay Ferguson (eds.), Graham Priest on Dialetheism and Paraconsistency. Dordrecht: Springer Verlag. pp. 127-138.
    Priest holds anti-exceptionalism about logic. That is, he holds that logic, as a theory, does not have any exceptional status in relation to the theories of empirical sciences. Crucial to Priest’s anti-exceptionalism is the existence of ‘data’ that can force the revision of logical theory. He claims that classical logic is inadequate to the available data and, thus, needs to be revised. But what kind of data can overturn classical logic? Priest claims that the data is our intuitions about the (...)
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  8. Making Sense of Paraconsistent Logic: The Nature of Logic, Classical Logic and Paraconsistent Logic.Koji Tanaka - 2013 - In Francesco Berto, Edwin Mares, Koji Tanaka & Francesco Paoli (eds.), Paraconsistency: Logic and Applications. Springer. pp. 15--25.
    Max Cresswell and Hilary Putnam seem to hold the view, often shared by classical logicians, that paraconsistent logic has not been made sense of, despite its well-developed mathematics. In this paper, I examine the nature of logic in order to understand what it means to make sense of logic. I then show that, just as one can make sense of non-normal modal logics (as Cresswell demonstrates), we can make `sense' of paraconsistent logic. Finally, I turn the tables on classical logicians (...)
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  9. The AGM Theory and Inconsistent Belief Change.Koji Tanaka - 2005 - Logique Et Analyse 48 (189-192):113-150.
    The problem of how to accommodate inconsistencies has attracted quite a number of researchers, in particular, in the area of database theory. The problem is also of concern in the study of belief change. For inconsistent beliefs are ubiquitous. However, comparatively little work has been devoted to discussing the problem in the literature of belief change. In this paper, I examine how adequate the AGM theory is as a logical framework for belief change involving inconsistencies. The technique is to apply (...)
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  10. In Search of the Semantics of Emptiness.Koji Tanaka - 2014 - In JeeLoo Liu & Douglas Berger (eds.), Nothingness in Asian Philosophy. London: Routledge. pp. 55-63.
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  11.  55
    Buddhist Logic.Koji Tanaka - forthcoming - Routledge Encyclopaedia of Philosophy.
    Buddhist philosophers have investigated the techniques and methodologies of debate and argumentation which are important aspects of Buddhist intellectual life. This was particularly the case in India, where Buddhism and Buddhist philosophy originated. But these investigations have also engaged philosophers in China, Japan, Korea and Tibet, and many other parts of the world that have been influenced by Buddhism and Buddhist philosophy. Several elements of the Buddhist tradition of philosophy are thought to be part of this investigation. -/- There are (...)
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  12. Inference in the Mengzi 1a: 7.Koji Tanaka - 2011 - Journal of Chinese Philosophy 38 (3):444-454.
    In 1A:7 of the Mengzi, Mengzi tries to convince King Xuan of Qi that he is a “true” king. As a reading of Mengzi’s reasoning involved in his attempt at persuasion, David Nivison advances an inferential view, according to which Mengzi’s persuasion involves inferences. In this paper, I consider the assumptions underlying the objections raised against Nivison’s inferential view. I argue that these objections assume a contemporary Western view about the nature of logic and inferences. I propose an alternative characterisation (...)
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  13.  66
    On An Error In Grove's Proof.Koji Tanaka & Graham Priest - 1997 - Logique Et Analyse 158:215-217.
    Nearly a decade has past since Grove gave a semantics for the AGM postulates. The semantics, called sphere semantics, provided a new perspective of the area of study, and has been widely used in the context of theory or belief change. However, the soundness proof that Grove gives in his paper contains an error. In this note, we will point this out and give two ways of repairing it.
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  14. Sympathy for the Devil: Reconsidering Ernst Mach’s Empiricism: John Blackmore, Ryoichi Itagaki and Setsuko Tanaka : Ernst Mach’s Prague. Bethesda and Tokyo: Sentinel Open Press, 2010, 476pp, $40.00 HB John Blackmore, Ryoichi Itagaki and Setsuko Tanaka : Ernst Mach’s Philosophy: Pro and Con. Bethesda and Tokyo: Sentinel Open Press, 2009, 252pp, $25.00 HB. [REVIEW]Erik C. Banks - 2012 - Metascience 21 (2):321-330.
    A 2012 review article for Metascience which explains Mach's realistic brand of empiricism, contrasting it with the common phenomenalist reading of Mach by John Blackmore in two recent books.
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  15. Don't Think! Just Act!Bronwyn Finnigan & Koji Tanaka - 2010 - In Graham Priest & Damon Young (eds.), Philosophy and the Martial Arts. Open Court.
    Kenzo saw a slight movement of his opponent. “Now is the time to strike!” he thought. He started moving. But before he had time to raise his shinai (sword) he was struck on the men (head) by his opponent. “Ippon!” the judge called.
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  16. Neural Correlates of Color-Selective Metacontrast in Human Early Retinotopic Areas.Kiyohiro Maeda, Hiroki Yamamoto, Masaki Fukunaga, Masahior Umeda, Chuzo Tanaka & Yoshimichi Ejima - 2010 - Journal of Neurophysiology 104:2291-2301.
    Metacontrast is a visual illusion in which the visibility of a target stimulus is virtually lost when immediately followed by a nonoverlapping mask stimulus. For a colored target, metacontrast is color-selective, with target visibility markedly reduced when the mask and target are the same color, but only slightly reduced when the colors differ. This study investigated neural correlates of color-selective metacontrast for cone-opponent red and green stimuli in the human V1, V2, and V3 using functional magnetic resonance imaging. Neural activity (...)
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  17.  95
    Davidson and Chinese Conceptual Scheme.Koji Tanaka - 2006 - In Bo Mou (ed.), Philosophical Engagement: Davidson’s Philosophy and Chinese Philosophy. Leiden: Brill Academic Publishers. pp. 55-71.
    In one of his influential works ‘One the Very Idea of a Conceptual Scheme’, Donald Davidson argues against conceptual relativism. According to Davidson, ‘we could not be in a position to judge that others had concepts or beliefs radically different from our own’. Davidson’s thesis seems to have a consequence for comparative philosophy, particularly in a comparative study between Chinese and Western traditions of philosophy which are often considered to differ conceptually. If Davidson is correct, it is not clear whether (...)
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  18. How Can Buddhists Prove That Non-Existent Things Do Not Exist?Koji Tanaka - 2021 - In Sara Bernstein & Tyron Goldschmidt (eds.), Non-Being: New Essay on the Metaphysics of Non-Existence. Oxford, UK: Oxford University Press. pp. 82-96.
    How can Buddhists prove that non-existent things do not exist? With great difficulty. For the Buddhist, this is not a laughing matter as they are largely global error theorists and, thus, many things are non-existent. The difficulty gets compounded as the Buddhist and their opponent, the non-Buddhist of various kinds, both agree that one cannot prove a thesis whose subject is non-existent. In this paper, I will first present a difficulty that Buddhist philosophers have faced in proving that what they (...)
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  19.  74
    On Medical Experts' Advice On Schools.Koji Tanaka - manuscript
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  20. On Nāgārjuna's Ontological and Semantic Paradox.Koji Tanaka - 2016 - Philosophy East and West 66 (4):1292-1306.
    In one of his key texts, the Mūlamadhyamakakārikā, Nāgārjuna famously sets out to refute the ontology of essence.1 He presents numerous arguments to show that things don’t exist essentially—that is, that things are empty of essence or inherent existence. The doctrine of emptiness has been variously understood by traditional and contemporary commentators. Most radical is the recent interpretation presented by Garfield and Priest. They have rationally reconstructed Nāgārjuna’s doctrine of emptiness as an endorsement of the contradictory nature of reality. According (...)
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  21. On Self-Awareness and the Self.Koji Tanaka - 2014 - In Graham Priest & Damon Young (eds.), Philosophy and Martial Arts. London: Routledge. pp. 127-138.
    Some philosophers of mind, cognitive scientists, phenomenologists as well as Buddhist philosophers have claimed that an awareness of an object is not just an experience of that object but also involves self-awareness. It is sometimes argued that being aware of an object without being aware of oneself is pathological. As anyone who has been involved in martial arts, as well as any sports requiring quick responses such as cricket and tennis, can testify, however, awareness of the self at the time (...)
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  22. Ways of Doing Cross-Cultural Philosophy.Koji Tanaka - 2016 - In John Makeham (ed.), Learning from the Other: Australian and Chinese Perspectives on Philosophy. Canberra: Australian Academy of the Humanities. pp. 59-65.
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  23.  37
    Hiromatsu on Mach’s Philosophy and Relativity Theory.Makoto Katsumori - 2016 - European Journal of Japanese Philosophy 1:149-188.
    In his project of going beyond the “modern worldview,” Hiromatsu Wataru attached great importance to Ernst Mach’s philosophical thought and Einstein’s theory of relativity as challenging the premises of modern philosophy, which he characterized as substantialist and bound by the subject / object schema. This paper surveys Hiromatsu’s analysis of Mach’s phenomenalist element-monism, specifically his critique of Mach’s insufficient break with modern philosophy; his inquiry into Einstein’s relativity theory with a focus on its intersubjective cognitive structure; and the way he (...)
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