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  1. Jan Dejnozka (2011). Reply to Butchvarov's. Grazer Philosophische Studien 32:181-184.
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  2. Jan Dejnozka (2011). Reply to Umphrey's. Grazer Philosophische Studien 32:185-186.
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  3. Jan Dejnožka (2010). Dummett. Diametros 25:118-131.
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  4. Jan Dejnožka (2010). Dummett's Forward Road to Frege and to Intuitionism. Diametros 25:118-131.
    This paper continues Michael Dummett's and my discussion of Frege in The Philosophy of Michael Dummett [2007]. Most of it is about Dummett’s change in view on Frege’s senses and objects. The issues include: the cognitive order versus the ontological order for the forward road; the nature and identity of senses and the different senses of "intension;" the nature of saturation; whether special quantifiers are now needed for senses; and Frege’s earlier and later permutation arguments. I discuss the implications of (...)
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  5. Jan Dejnožka (2010). The Concept of Relevance and the Logic Diagram Tradition. Logica Universalis 4 (1):67-135.
    What is logical relevance? Anderson and Belnap say that the “modern classical tradition [,] stemming from Frege and Whitehead-Russell, gave no consideration whatsoever to the classical notion of relevance.” But just what is this classical notion? I argue that the relevance tradition is implicitly most deeply concerned with the containment of truth-grounds, less deeply with the containment of classes, and least of all with variable sharing in the Anderson–Belnap manner. Thus modern classical logicians such as Peirce, Frege, Russell, Wittgenstein, and (...)
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  6. Jan Dejnožka (2006). Observational Ecumenism, Holist Sectarianism. Philo 9 (2):165-191.
    Do any significant philosophical differences between Quine and Carnap follow from Quine’s rejection of Carnap’s analytic-synthetic distinction? Not if they both understand empirical evidence in merely observational terms. But it follows from Quine’s rejection of the distinction that empirical evidence has degrees of holophrastic depth penetrating even into logic and ontology (gradualism). Thus his reasons to prefer realism to idealism are holophrastically empirical. I discuss Quine’s holist sectarian realism on private languages, externalism versus internalism, unobserved objects, unobservable abstract entities, bivalence, (...)
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  7. Jan Dejnožka (2001). Butchvarov: Phenomenology, Ontology, Universals, and Goodness. Philosophia 28 (1-4):445-454.
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  8. Joseph W. Dauben, Francisco Rodríguez-Consuegra, Jan Dejnožka & Thomas Williams (1997). Essay Review. History and Philosophy of Logic 18 (1):33-40.
    B. Russell, Foundations of logic 1903-05, The Collected Papers of Bertrand Russell, Volume 4, Edited by Urquhart, A. with the assistance of Lewis, A. C. London and New York:Routledge, 1994, Hi+ 743 pp. £100.
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  9. Jan Dejnožka (1997). Essay Review. History and Philosophy of Logic 18 (1):49-54.
    Ray Monk and Anthony Palmer (eds.), Bertrand Russell and the Origins of Analytical Philosophy. Introduction by Ray Monk and Anthony Palmer. Bristol, U.K.:Thoemmes Press, 1996. xvi + 383 pp. £48.00/$78.00 (cloth); £16.95/$29.95 (paper).
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  10. Jan Dejnozka (1996). The Ontology of the Anayltic Tradition and its Origins: Realism and Identity in Frege, Russell, Wittgenstein, and Quine. Littlefield Adams Books.
  11. Jan Dejnozka (1990). The Ontological Foundation of Russell's Theory of Modality. Erkenntnis 32 (3):383 - 418.
    Prominent thinkers such as Kripke and Rescher hold that Russell has no modal logic, even that Russell was indisposed toward modal logic. In Part I, I show that Russell had a modal logic which he repeatedly described and that Russell repeatedly endorsed Leibniz's multiplicity of possible worlds. In Part II, I describe Russell's theory as having three ontological levels. In Part III, I describe six Parmenidean theories of being Russell held, including: literal in 1903; universal in 1912; timeless in 1914; (...)
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  12. Jan Dejnozka (1989). Zeno's Paradoxes and the Cosmological Argument. International Journal for Philosophy of Religion 25 (2):65 - 81.
    I SHOW THAT THE COSMOLOGICAL ARGUMENT OF AQUINAS FOR THE EXISTENCE OF GOD COMMITS A RATHER TRIVIAL LINGUISTIC FALLACY, BY SHOWING THAT (1) SOME OF ZENO'S PARADOXES COMMIT A TRIVIAL LINGUISTIC FALLACY, AND THAT (2) THE COSMOLOGICAL ARGUMENT IS SUFFICIENTLY SIMILAR TO THESE PARADOXES THAT IT COMMITS THE SAME FALLACY. COPLESTON'S VIEW THAT "MENTION OF THE MATHEMATICAL INFINITE SERIES IS IRRELEVANT" TO "ANY" OF AQUINAS'S ARGUMENTS FOR GOD'S EXISTENCE IS THUS SHOWN FALSE.
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  13. Jan Dejnozka (1988). Russell's Robust Sense of Reality. Grazer Philosophische Studien 32:155-164.
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  14. Jan Dejnozka (1988). Reply to Butchvarov's "Russell's Views on Reality". Grazer Philosophische Studien 32:181-184.
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  15. Jan Dejnozka (1988). Reply to Umphrey's "The Meinongian-Antimeinongian Dispute Reviewed". Grazer Philosophische Studien 32:185-186.
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  16. Jan Dejnozka (1982). Frege. International Studies in Philosophy 14 (2):1-17.
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  17. Jan Dejnozka (1981). Frege on Identity. International Studies in Philosophy 13 (1):31-41.
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