Search results for 'Charles Wesley Morgan' (try it on Scholar)

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  1. Charles Wesley Morgan (1962). This Dynamic World. New York, Vantage Press.score: 870.0
    This Dynamic World is visually beautiful and full of useful knowledge. The book makes plain what has been obscure.
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  2. Michael L. Morgan (2007/2009). Discovering Levinas. Cambridge University Press.score: 300.0
    Emmanuel Levinas is well known to students of twentieth-century continental philosophy and especially French philosophy. But he is largely unknown within the circles of Anglo-American philosophy. In Discovering Levinas, Michael L. Morgan shows how this thinker faces in novel and provocative ways central philosophical problems of twentieth century philosophy and religious thought. He tackles this task by placing Levinas in conversation with philosophers such as Donald Davidson, Stanley Cavell, John McDowell, Onora O'Neill, Charles Taylor, and Cora Diamond. He (...)
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  3. Gail Crippen, Rose Lemberg, Margaret Wehinger, John Stockwell, Stephen Kaufman, Clay Lancaster, Charles R. Magel, Ruby C. Morgan, Steve Zawistowski & Ahimsa FOlDldation (forthcoming). Mary Starin. Between the Species.score: 280.0
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  4. Charles G. Morgan & Edwin D. Mares (1995). Conditionals, Probability, and Non-Triviality. Journal of Philosophical Logic 24 (5):455-467.score: 240.0
    We show that the implicational fragment of intuitionism is the weakest logic with a non-trivial probabilistic semantics which satisfies the thesis that the probabilities of conditionals are conditional probabilities. We also show that several logics between intuitionism and classical logic also admit non-trivial probability functions which satisfy that thesis. On the other hand, we also prove that very weak assumptions concerning negation added to the core probability conditions with the restriction that probabilities of conditionals are conditional probabilities are sufficient to (...)
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  5. Charles G. Morgan (1999). Conditionals, Comparative Probability, and Triviality: The Conditional of Conditional Probability Cannot Be Represented in the Object Language. Topoi 18 (2):97-116.score: 240.0
    In this paper we examine the thesis that the probability of the conditional is the conditional probability. Previous work by a number of authors has shown that in standard numerical probability theories, the addition of the thesis leads to triviality. We introduce very weak, comparative conditional probability structures and discuss some extremely simple constraints. We show that even in such a minimal context, if one adds the thesis that the probability of a conditional is the conditional probability, then one trivializes (...)
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  6. Charles G. Morgan (1973). Systems of Modal Logic for Impossible Worlds. Inquiry 16 (1-4):280 – 289.score: 240.0
    The intuitive notion behind the usual semantics of most systems of modal logic is that of ?possible worlds?. Loosely speaking, an expression is necessary if and only if it holds in all possible worlds; it is possible if and only if it holds in some possible world. Of course, contradictory expressions turn out to hold in no possible worlds, and logically true expressions turn out to hold in every possible world. A method is presented for transforming standard modal systems into (...)
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  7. Charles Grady Morgan & Francis Jeffry Pelletier (1977). Some Notes Concerning Fuzzy Logics. Linguistics and Philosophy 1 (1):79 - 97.score: 240.0
    Fuzzy logics are systems of logic with infinitely many truth values. Such logics have been claimed to have an extremely wide range of applications in linguistics, computer technology, psychology, etc. In this note, we canvass the known results concerning infinitely many valued logics; make some suggestions for alterations of the known systems in order to accommodate what modern devotees of fuzzy logic claim to desire; and we prove some theorems to the effect that there can be no fuzzy logic which (...)
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  8. Charles G. Morgan (2000). The Nature of Nonmonotonic Reasoning. Minds and Machines 10 (3):321-360.score: 240.0
    Conclusions reached using common sense reasoning from a set of premises are often subsequently revised when additional premises are added. Because we do not always accept previous conclusions in light of subsequent information, common sense reasoning is said to be nonmonotonic. But in the standard formal systems usually studied by logicians, if a conclusion follows from a set of premises, that same conclusion still follows no matter how the premise set is augmented; that is, the consequence relations of standard logics (...)
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  9. Charles G. Morgan (1979). Modality, Analogy, and Ideal Experiments According to C. S. Peirce. Synthese 41 (1):65 - 83.score: 240.0
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  10. Michael L. Morgan (2008). Review of Charles Taylor, A Secular Age. [REVIEW] Notre Dame Philosophical Reviews 2008 (8).score: 240.0
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  11. Charles G. Morgan (1992). Annual Meeting of the Society for Exact Philosophy: Co-Sponsored by the Association for Symbolic Logic, Victoria, British Columbia, Canada, May 23- 26, 1991. [REVIEW] Journal of Symbolic Logic 57 (2):749.score: 240.0
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  12. Charles Morgan, Alexander Hertel & Philipp Hertel (2007). A Sound and Complete Proof Theory for Propositional Logical Contingencies. Notre Dame Journal of Formal Logic 48 (4):521-530.score: 240.0
    There are simple, purely syntactic axiomatic proof systems for both the logical truths and the logical falsehoods of propositional logic. However, to date no such system has been developed for the logical contingencies, that is, formulas that are both satisfiable and falsifiable. This paper formalizes the purely syntactic axiomatic proof systems for the logical contingencies and proves its soundness as well as completeness.
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  13. Charles G. Morgan (1974). Book Review:Likelihood: An Account of the Statistical Concept of Likelihood and Its Application to Scientific Inference A. W. F. Edwards. [REVIEW] Philosophy of Science 41 (4):427-.score: 240.0
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  14. Charles Morgan & Fran�Ois Lepage (2003). Probabilistic Canonical Models for Partial Logics. Notre Dame Journal of Formal Logic 44 (3):125-138.score: 240.0
    The aim of the paper is to develop the notion of partial probability distributions as being more realistic models of belief systems than the standard accounts. We formulate the theory of partial probability functions independently of any classical semantic notions. We use the partial probability distributions to develop a formal semantics for partial propositional calculi, with extensions to predicate logic and higher order languages. We give a proof theory for the partial logics and obtain soundness and completeness results.
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  15. Charles G. Morgan (1970). Kim on Deductive Explanation. Philosophy of Science 37 (3):434-439.score: 240.0
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  16. Charles G. Morgan & Hugues Leblanc (1983). Probability Theory, Intuitionism, Semantics and the Dutch Book Argument. Notre Dame Journal of Formal Logic 24 (3):289-304.score: 240.0
  17. Hugues Leblanc & Charles G. Morgan (1984). Probability Functions and Their Assumption Sets — the Binary Case. Synthese 60 (1):91 - 106.score: 240.0
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  18. Charles G. Morgan (1993). Introduction. Studia Logica 52 (2):iii-iii.score: 240.0
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  19. Charles G. Morgan (1982). There is a Probabilistic Semantics for Every Extension of Classical Sentence Logic. Journal of Philosophical Logic 11 (4):431 - 442.score: 240.0
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  20. Charles G. Morgan (1976). Tuomela on Deductive Explanation. Journal of Philosophical Logic 5 (4):511 - 525.score: 240.0
    Almost every formal model of explanation thus far proposed has been demonstrated to be faulty. In this paper, a new model, proposed by Raimo Tuomela, is also demonstrated to be faulty. In particular, one condition of the model is shown to be too restrictive, and another condition of the model is shown to be too permissive.
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  21. Charles Morgan, Etudes in Κ-M-Proper Forcing.score: 240.0
    κ-M-proper forcing, introduced in [K00] when κ = ω1, is a very powerful new technique for generic stepping up, subsuming all previous generic steppings up using auxiliary functions. A general framework for using κ-M-proper forcing is set out, and a couple of examples of such forcings, adding κ−-thin-very tall scattered spaces and long chains in P(κ) modulo <κ−, are given. These objects are not currently obtainable by the previously known techniques.
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  22. Charles Morgan (1998). Higher Gap Morasses, IA: Gap-Two Morasses and Condensation. Journal of Symbolic Logic 63 (3):753-787.score: 240.0
    This paper concerns the theory of morasses. In the early 1970s Jensen defined (κ,α)-morasses for uncountable regular cardinals κ and ordinals $\alpha . In the early 1980s Velleman defined (κ, 1)-simplified morasses for all regular cardinals κ. He showed that there is a (κ, 1)-simplified morass if and only if there is (κ, 1)-morass. More recently he defined (κ, 2)-simplified morasses and Jensen was able to show that if there is a (κ, 2)-morass then there is a (κ, 2)-simplified morass. (...)
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  23. Charles G. Morgan (1984). Weak Conditional Comparative Probability as a Formal Semantic Theory. Mathematical Logic Quarterly 30 (13‐16):199-212.score: 240.0
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  24. Charles G. Morgan (1975). Weak Liberated Versions of T and S. Journal of Symbolic Logic 40 (1):25-30.score: 240.0
    The usual semantics for the modal systems T, S4, and S5 assumes that the set of possible worlds contains at least one member. Recently versions of these modal systems have been developed in which this assumption is dropped. The systems discussed here are obtained by slightly weakening the liberated versions of T and S4. The semantics does not assume the existence of possible worlds, and the accessibility relation between worlds is only required to be quasi-reflexive instead of reflexive. Completeness and (...)
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  25. Charles G. Morgan (1974). Book Review:Reason and Prediction Simon Blackburn. [REVIEW] Philosophy of Science 41 (1):98-.score: 240.0
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  26. Charles G. Morgan (1973). Truth, Falsehood, and Contingency in First-Order Predicate Calculus. Notre Dame Journal of Formal Logic 14 (4):536-542.score: 240.0
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  27. Charles Morgan, A Couple of Gentle Stretching Exercises.score: 240.0
    Let µ be a regular cardinal. In this paper I prove two (forcing) existence results concerning structures governed by two parameters, the cardinal µ and an ordinal ρ less than µ+++. The results improve on theorems from [M*2] where the second parameter was always the cardinal µ++.
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  28. Charles G. Morgan (1972). Observation and Theory in Science. By Ernest Nagel, Sylvain Bromberger, and Adolf Grünbaum. Baltimore: The Johns Hopkins Press; Toronto: Copp Clark. 1971, Pp. 134. $7.65. [REVIEW] Dialogue 11 (04):651-655.score: 240.0
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  29. Charles G. Morgan (1972). On Two Proposed Models of Explanation. Philosophy of Science 39 (1):74-81.score: 240.0
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  30. Charles G. Morgan (1982). Simple Probabilistic Semantics for Propositional K, T, B, S4, and S. Journal of Philosophical Logic 11 (4):443 - 458.score: 240.0
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  31. Charles G. Morgan (1973). The Psychology of Knowing. Edited by J. R. Royce and W. W. Rozeboom. New York: Gordon and Breach, Science Publishers, Inc., 1972, Pp. Viii, 496. $24.50. [REVIEW] Dialogue 12 (03):544-547.score: 240.0
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  32. Charles G. Morgan (1979). Local and Global Operators and Many-Valued Modal Logics. Notre Dame Journal of Formal Logic 20 (2):401-411.score: 240.0
  33. Charles G. Morgan (1979). Note on a Strong Liberated Modal Logic and its Relevance to Possible World Skepticism. Notre Dame Journal of Formal Logic 20 (4):718-722.score: 240.0
  34. Mirna Džamonja, Péter Komjáth & Charles Morgan (2004). Wild Edge Colourings of Graphs. Journal of Symbolic Logic 69 (1):255 - 264.score: 240.0
    We prove consistent, assuming there is a supercompact cardinal, that there is a singular strong limit cardinal $\mu$ , of cofinality $\omega$ , such that every $\mu^{+}$ -chromatic graph X on $\mu^{+}$ has an edge colouring c of X into $\mu$ colours for which every vertex colouring g of X into at most $\mu$ many colours has a g-colour class on which c takes every value. The paper also contains some generalisations of the above statement in which $\mu^{+}$ is replaced (...)
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  35. Charles Morgan, Local Connectedness and Distance Functions.score: 240.0
    Local connectedness functions for (κ, 1)-simplified morasses, localisations of the coupling function c studied in [M96, §1], are defined and their elementary properties discussed. Several different, useful, canonical ways of arriving at the functions are examined. This analysis is then used to give explicit formulae for generalisations of the local distance functions which were defined recursively in [K00], leading to simple proofs of the principal properties of those functions. It is then extended to the properties of local connectedness functions in (...)
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  36. Charles G. Morgan (1973). Omer on Scientific Explanation. Philosophy of Science 40 (1):110-117.score: 240.0
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  37. Charles Morgan & Mirna Dˇzamonja (2004). Wild Edge Colourings of Graphs. Journal of Symbolic Logic 69 (1):255 - 264.score: 240.0
    We prove consistent, assuming there is a supercompact cardinal, that there is a singular strong limit cardinal $\mu$ , of cofinality $\omega$ , such that every $\mu^{+}$ -chromatic graph X on $\mu^{+}$ has an edge colouring c of X into $\mu$ colours for which every vertex colouring g of X into at most $\mu$ many colours has a g-colour class on which c takes every value. The paper also contains some generalisations of the above statement in which $\mu^{+}$ is replaced (...)
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  38. Charles G. Morgan (1973). Sentential Calculus for Logical Falsehoods. Notre Dame Journal of Formal Logic 14 (3):347-353.score: 240.0
  39. Mirna D.?Amonja, P.�Ter Komj�Th & Charles Morgan (2004). Wild Edge Colourings of Graphs. Journal of Symbolic Logic 69 (1):255-264.score: 240.0
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  40. Charles G. Morgan (1974). Liberated Brouwerian Modal Logic. Dialogue 13 (03):505-514.score: 240.0
  41. T. M. Taylor & Charles Morgan (1954). Liberties of the Mind. Philosophical Quarterly 4 (15):190.score: 240.0
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  42. Charles Morgan, Adding Club Subsets of Ω2 Using Conditions with Finite Working Parts.score: 240.0
    After a couple of weeks I eventually got around to reading the preprint and started wondering about recasting the argument in my preferred formalism. I arrogantly assumed that this would allow one to smooth out parts of the proof and simplify the details of the definition of the forcing conditions (at the cost of taking the framework set out in §§1,2 below as given). However when I tried to write things down I found myself, to my chagrin, more or less (...)
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  43. Charles Morgan (1995). A Gap Cohomology Group. Mathematical Logic Quarterly 41 (4):564-570.score: 240.0
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  44. Charles G. Morgan (1976). A Resolution Principle for a Class of Many-Valued Logics. Logique Et Analyse 19 (74-76):311-339.score: 240.0
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  45. Charles G. Morgan (1974). A Theory of Equality for a Class of Many‐Valued Predicate Calculi. Mathematical Logic Quarterly 20 (25‐27):427-432.score: 240.0
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  46. Charles G. Morgan (1973). Drawing Dichotomies Via Formal Languages. Southern Journal of Philosophy 11 (3):216-227.score: 240.0
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  47. Charles J. Morgan, Joan S. Lockard, Carol E. Fahrenbruch & Jerry L. Smith (1975). Hitchhiking: Social Signals at a Distance. Bulletin of the Psychonomic Society 5 (6):459-461.score: 240.0
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  48. Charles Morgan (1996). Morasses, Square and Forcing Axioms. Annals of Pure and Applied Logic 80 (2):139-163.score: 240.0
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  49. Charles G. Morgan (1992). Non-Standard Logics for Automated Reasoning, Edited by Smets Philippe, Mamdani Abe, Dubois Didier, and Prade Henri, Academic Press, London Etc. 1988, X+ 334 Pp. [REVIEW] Journal of Symbolic Logic 57 (1):277-281.score: 240.0
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  50. Charles Morgan, On the Velickovic ∆-Property for the Stepping Up Functions C and Ρ.score: 240.0
    is a (κ, 1)-simplified morass if θα | α < κ is an increasing sequence of ordinals less than κ, θκ = κ+, and each Fαβ is a collection of maps from θα to θβ such that the following properties hold.
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