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Profile: Paul Oppenheimer (Stanford University)
  1. Paul E. Oppenheimer & Edward N. Zalta (2007). O logice ontologického důkazu. Studia Neoaristotelica 4 (1):5-27.
    In this paper, the authors show that there is a reading of St. Anselm’s ontological argument in Proslogium II that is logically valid (the premises entail the conclusion). This reading takes Anselm’s use of the definite description “that than which nothing greater can be conceived” seriously. Consider a first-order language and logic in which definite descriptions are genuine terms, and in which the quantified sentence “there is an x such that…” does not imply “x exists”. Then, using an ordinary logic (...)
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  2. Paul E. Oppenheimer & Edward N. Zalta (2007). Reflections on the Logic of the Ontological Argument. Studia Neoaristotelica 4 (1):28-35.
    In this paper, the authors evaluate the ontological argument they developed in their 1991 paper as to soundness. They focus on Anselm's first premise, which asserts: there is a conceivable thing than which nothing greater is conceivable. After suggesting reasons why this premise is false, the authors show that there is a reading of this premise on which it is true. Such a premise can be used in a valid and sound reconstruction of the ontological argument. This argument is developed (...)
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  3. Paul E. Oppenheimer & Edward N. Zalta (1991). On the Logic of the Ontological Argument. Philosophical Perspectives 5:509-529.
    In this paper, the authors show that there is a reading of St. Anselm's ontological argument in Proslogium II that is logically valid (the premises entail the conclusion). This reading takes Anselm's use of the definite description "that than which nothing greater can be conceived" seriously. Consider a first-order language and logic in which definite descriptions are genuine terms, and in which the quantified sentence "there is an x such that..." does not imply "x exists". Then, using an ordinary logic (...)
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