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  1. (1 other version)Logical foundations for belief representation.William J. Rapaport - 1986 - Cognitive Science 10 (4):371-422.
    This essay presents a philosophical and computational theory of the representation of de re, de dicto, nested, and quasi-indexical belief reports expressed in natural language. The propositional Semantic Network Processing System (SNePS) is used for representing and reasoning about these reports. In particular, quasi-indicators (indexical expressions occurring in intentional contexts and representing uses of indicators by another speaker) pose problems for natural-language representation and reasoning systems, because--unlike pure indicators--they cannot be replaced by coreferential NPs without changing the meaning of the (...)
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  • Thought, Language, and Ontology, Essays in Memory of Hector-Neri Castaneda.William J. Rapaport & Francesco Orilia (eds.) - 1998 - Dordrecht, Netherland: Kluwer Academic Publishers.
    The late Hector-Neri Castañeda, the Mahlon Powell Professor of Philosophy at Indiana University, and founding editor of Noûs, has deeply influenced current analytic philosophy with diverse contributions, including guise theory, the theory of indicators and quasi-indicators, and the proposition/practition theory. This volume collects 15 papers--for the most part previously unpublished--in ontology, philosophy of language, cognitive science, and related areas by ex-students of Professor Castañeda, most of whom are now well-known researchers or even distinguished scholars. The authors share the conviction that (...)
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  • Predication, fiction, and artificial intelligence.William J. Rapaport - 1991 - Topoi 10 (1):79-111.
    This paper describes the SNePS knowledge-representation and reasoning system. SNePS is an intensional, propositional, semantic-network processing system used for research in AI. We look at how predication is represented in such a system when it is used for cognitive modeling and natural-language understanding and generation. In particular, we discuss issues in the representation of fictional entities and the representation of propositions from fiction, using SNePS. We briefly survey four philosophical ontological theories of fiction and sketch an epistemological theory of fiction (...)
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  • Keeping a happy face on exportation.Tomis Kapitan - 1993 - Philosophical Studies 70 (3):337 - 345.
    A familiar means of enhancing the descriptive power of attitudinal reports is the distinction between de re and de dicto readings of ascriptions or, alternatively, between internal and external occurrences of terms and phrases used in ascribing attitudes.i While there is little agreement about the philosophical significance or viability of these contrasts, supporters of cognitive theories of content -- those which take the that-clause of an ascription to express something to which the subject bears a psychological relation, viz., what he (...)
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  • Russell on the semantics and pragmatics of indexicals.Lawrence Roberts - 1984 - Philosophia 14 (1-2):111-127.
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  • Meinongian Semantics and Artificial Intelligence.William J. Rapaport - 2013 - Humana Mente 6 (25):25-52.
    This essay describes computational semantic networks for a philosophical audience and surveys several approaches to semantic-network semantics. In particular, propositional semantic networks are discussed; it is argued that only a fully intensional, Meinongian semantics is appropriate for them; and several Meinongian systems are presented.
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  • Belief representation in a deductivist type-free doxastic logic.Francesco Orilia - 1994 - Minds and Machines 4 (2):163-203.
    Konolige''s technical notion of belief based on deduction structures is briefly reviewed and its usefulness for the design of artificial agents with limited representational and deductive capacities is pointed out. The design of artificial agents with more sophisticated representational and deductive capacities is then taken into account. Extended representational capacities require in the first place a solution to the intensional context problems. As an alternative to Konolige''s modal first-order language, an approach based on type-free property theory is proposed. It considers (...)
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  • Agency and omniscience.Tomis Kapitan - 1991 - Religious Studies 27 (1):105-120.
    It is said that faith in a divine agent is partly an attitude of trust; believers typically find assurance in the conception of a divine being's will, and cherish confidence in its capacity to implement its intentions and plans. Yet, there would be little point in trusting in the will of any being without assuming its ability to both act and know, and perhaps it is only by assuming divine omniscience that one can retain the confidence in the efficacy and (...)
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  • Exports and imports: Anaphora in attitudinal ascriptions.Tomis Kapitan - 1994 - Philosophical Perspectives 8:273-292.
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  • The figure-ground model for the explanation of the determination of indexical reference.Lawrence D. Roberts - 1986 - Synthese 68 (3):441 - 486.
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  • The semiotic profile of indexical (experiential) reference.Hector-Neri Castañeda - 1981 - Synthese 49 (2):275 - 316.
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  • De Re Belief Ascriptions and Action Explanations.Eric Stiffler - 1983 - Canadian Journal of Philosophy 13 (4):513 - 525.
    The well known fact that beliefs may be ascribed either de dicto or de re raises a problem about the role of belief ascriptions in the explanation of action because it suggests that both kinds of ascriptions may help explain why an agent acted. Some explanations may require only de dicto belief ascriptions, others only de re ascriptions, while still others require ascriptions of both types. As a first step toward sorting out these alternatives I want to consider whether de (...)
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  • On the concept of material consequence.Tomis Kapitan - 1982 - History and Philosophy of Logic 3 (2):193-211.
    Everyday reasoning is replete with arguments which, though not logically valid, nonetheless harbor a measure of credibility in their own right. Here the claim that such arguments force us to acknowledge material validity, in addition to logical validity, is advanced, and criteria that attempt to unpack this concept are examined in detail. Of special concern is the effort to model these criteria on explications of logical validity that rely on notions of substitutivity and logical form. It is argued, however, that (...)
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