113 found
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  1.  65
    Gerhard Schurz & Paul Weingartner (2010). Zwart and Franssen's Impossibility Theorem Holds for Possible-World-Accounts but Not for Consequence-Accounts to Verisimilitude. Synthese 172 (3):415 - 436.
    Zwart and Franssen’s impossibility theorem reveals a conflict between the possible-world-based content-definition and the possible-world-based likeness-definition of verisimilitude. In Sect. 2 we show that the possible-world-based content-definition violates four basic intuitions of Popper’s consequence-based content-account to verisimilitude, and therefore cannot be said to be in the spirit of Popper’s account, although this is the opinion of some prominent authors. In Sect. 3 we argue that in consequence-accounts , content-aspects and likeness-aspects of verisimilitude are not in conflict with each other, but (...)
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  2.  16
    Paul Weingartner (2000). Basic Questions on Truth. Kluwer Academic Publishers, C.
    There are basic questions concerning truth that have been perennial throughout the history of philosophy from the Ancient Greeks onwards: Is 'true' a ...
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  3.  28
    Paul Weingartner (2009). Matrix-Based Logic for Application in Physics. Review of Symbolic Logic 2 (1):132-163.
    The paper offers a matrix-based logic (relevant matrix quantum physics) for propositions which seems suitable as an underlying logic for empirical sciences and especially for quantum physics. This logic is motivated by two criteria which serve to clean derivations of classical logic from superfluous redundancies and uninformative complexities. It distinguishes those valid derivations (inferences) of classical logic which contain superfluous redundancies and complexities and are in this sense from those which are or in the sense of allowing only the most (...)
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  4. Paul Weingartner (2004). Alternative Logics Do Sciences Need Them?
     
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  5.  3
    Paul Weingartner (2010). Basis Logic for Application in Physics and Its Intuitionistic Alternative. Foundations of Physics 40 (9-10):1578-1596.
    This article proposes a basic logic for application in physics dispensing with the Principle of Excluded Middle. It is based on the article “Matrix Based Logics for Application in Physics (RMQ) which appeared 2009. In his article with Stachow on the Principle of Excluded Middle in Quantum Logic (QL), Peter Mittelstaedt showed that for some suitable QLs, including their own, the Principle of Excluded Middle can be added without any harm for QL; where ‘without any harm for QL’ means that (...)
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  6.  7
    Gerhard Schurz & Paul Weingartner (2010). Zwart and Franssen’s Impossibility Theorem Holds for Possible-World-Accounts but Not for Consequence-Accounts to Verisimilitude. Synthese 172 (3):415-436.
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  7. Paul Weingartner & Gerhard Schurz (1986). Paradoxes Solved by Simple Relevance Criteria. Logique Et Analyse 29 (113):3-40.
     
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  8.  22
    Paul Weingartner (2010). An Alternative Propositional Calculus for Application to Empirical Sciences. Studia Logica 95 (1/2):233 - 257.
    The purpose of the paper is to show that by cleaning Classical Logic (CL) from redundancies (irrelevances) and uninformative complexities in the consequence class and from too strong assumptions (of CL) one can avoid most of the paradoxes coming up when CL is applied to empirical sciences including physics. This kind of cleaning of CL has been done successfully by distinguishing two types of theorems of CL by two criteria. One criterion (RC) forbids such theorems in which parts of the (...)
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  9. Paul Weingartner (1998). Are Statistical Laws Genuine Laws? A Concern of Poincaré and Boltzmann. Philosophia Scientiae 3 (2):215-236.
     
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  10. Paul Weingartner & Georg Dorn (1990). Studies on Mario Bunge's Treatise. Monograph Collection (Matt - Pseudo).
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  11.  8
    Paul Weingartner (1990). Antinomies and Paradoxes and Their Solutions. Studies in Soviet Thought 39 (3-4):313-331.
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  12. Paul Weingartner (1997). Language and Coding-Dependency of Results in Logic and Mathematics. In Evandro Agazzi & György Darvas (eds.), Philosophy of Mathematics Today. Kluwer 73--87.
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  13.  6
    Paul Weingartner (1982). Conditions of Rationality for the Concepts Belief, Knowledge, and Assumption. Dialectica 36 (2‐3):243-263.
    SummaryIn the first part of the paper necessary conditions for the rationality of the notions of belief, knowledge, and assumption are given: Among the different conditions it is stressed that one needs two different concepts of belief, one such that if someone knows something he also believes it, the other exclusive such that if someone knows something he need not to believe it and if he believes it he does not yet know it. Another important point is that deductive infallibility (...)
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  14.  32
    Paul Weingartner (1982). On the Demarcation Between Logic and Mathematics. The Monist 65 (1):38-51.
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  15.  42
    Paul Weingartner (1990). Antinomies and Paradoxes and Their Solutions. Studies in East European Thought 39 (3-4):313-331.
  16.  10
    Paul Weingartner (1978). Brentano's Criticism of the Correspondence Theory of Truth and the Principle "Ens Et Verum Convertuntur". Grazer Philosophische Studien 5:183-195.
    This paper investigates Brentano's criticism of the correspondence theory of truth within the context of a discussion of his ontological assumptions. Brentano's interpretation of the formula Veritas est adaequatio rei et intellectus and of the principle ens et verum convertuntur is shown to fit into the history of these principles and into modern interpretations like that of Tarski.
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  17.  7
    Paul Weingartner (1999). Tarski’s Truth Condition Revisited. Vienna Circle Institute Yearbook 6:193-201.
    The paper is divided into the following sections: In the first section a short historical survey is given which presents precursors of both Tarski’s truth-condition and Tarski’s truth definition . Secondly some purported objections against Tarski’s truth condition are stated and two important presuppositions of Tarski’s truth condition are analyzed. Thirdly TTC is enlarged in different ways as to incorporate the preconditions explicitly. Finally in the fourth section it will be shown how the revised T-conditions solve different versions of the (...)
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  18.  1
    Paul Weingartner (1971). Wissenschaftstheorie. Monograph Collection (Matt - Pseudo).
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  19.  9
    Paul Weingartner (1998). The Weakness of Logical Equivalence”. Bulletin of the Section of Logic 27:46-49.
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  20.  39
    Paul Weingartner & Gerhard Zecha (eds.) (1970). Induction, Physics, and Ethics. Dordrecht,Reidel.
    INITIAL PROBABILITIES: A PREREQUISITE FOR ANY VALID INDUCTION* * I. INDUCTIVE REASONING AND ITS UNDERLYING ASSUMPTIONS Experience does not tell us anything ...
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  21.  14
    Paul Weingartner (1968). Modal Logics with Two Kinds of Necessity and Possibility. Notre Dame Journal of Formal Logic 9 (2):97-159.
  22. Paul Weingartner (1987). Important Philosophical Problems and Their Roots in Mathematics. Epistemologia 10:139-161.
     
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  23.  11
    Paul Weingartner (forthcoming). Is There Teleological Order in Nature? Is There Teleological Explanation in Science? Epistemologia.
  24. Georg Dorn, Paul Weingartner & Methodology and Philosophy of Science International Congress of Logic (1985). Foundations of Logic and Linguistics Problems and Their Solutions. Monograph Collection (Matt - Pseudo).
  25.  5
    Paul Weingartner (2011). Matrix-Based Logic for Avoidingparadoxes and its Paraconsistentalternative. Manuscrito 34 (1):365-388.
    The present article shows that there are consistent and decidable manyvalued systems of propositional logic which satisfy two or all the three criteria for non-trivial inconsistent theories by da Costa . The weaker one of these paraconsistent system is also able to avoid a series of paradoxes which come up when classical logic is applied to empirical sciences. These paraconsistent systems are based on a 6-valued system of propositional logic for avoiding difficulties in several domains of empirical science ).
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  26.  6
    Paul Weingartner (1981). A System of Rational Belief, Knowledge and Assumption. Grazer Philosophische Studien 12:143-165.
    The first part of the papaer contains desiderata for a realistic epistemic system as opposed to idealistic ones. One of the main characteristics of idealistic epistemic systems is their deductive infallibility or deductive omniscience. The system presented avoids deductive infallibility though having a strong concept of knowledge. The second part contains the theorems of the system. The system is detailed in so far as it distinguishes between two concepts of belief and one of assumption and interrelates them to the concept (...)
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  27.  5
    Paul Weingartner (2014). 15. Whether Nature’s Order and God’s Providence Are Compatible with Free Will. In Nature's Teleological Order and God's Providence: Are They Compatible with Chance, Free Will, and Evil? De Gruyter 200-235.
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  28.  14
    Paul Weingartner (1973). A Predicate Calculus for Intensional Logic. Journal of Philosophical Logic 2 (2):220 - 303.
  29.  20
    Paul Weingartner (1983). Normative Principles of Rational Communication. Erkenntnis 19 (1-3):405 - 416.
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  30.  3
    Paul Weingartner (1978). Brentano's Criticism of the Correspondence Theory of Truth and the Principle "Ens Et Verum Convertuntur". Grazer Philosophische Studien 5:183-195.
    This paper investigates Brentano's criticism of the correspondence theory of truth within the context of a discussion of his ontological assumptions. Brentano's interpretation of the formula Veritas est adaequatio rei et intellectus and of the principle ens et verum convertuntur is shown to fit into the history of these principles and into modern interpretations like that of Tarski.
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  31.  7
    Paul Weingartner (1994). A Note on Jaakko Hintikka's "Knowledge and Belief". Grazer Philosophische Studien 49:135-147.
    Jaakko Hintikka's concept of belief (aBp) as presented in his Knowledge and Belief is such that in his epistemic logic aKp —> aBp is a thesis. This concept (B-belief) is one important kind of belief and can be contrasted with a different concept of belief (G-belief, denoted by 'aOp') not discussed in Hintikka's book. It is to some extent opposite to the one above in the sense that it is knowledge-exclusive, whereas Hintikka's is knowledge-inclusive. This is shown by the thesis (...)
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  32.  8
    Paul Weingartner (2008). The Places of Values in Science. In Evandro Agazzi & Fabio Minazzi (eds.), Science and Ethics: The Axiological Contexts of Science. P.I.E. Peter Lang 14--141.
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  33.  4
    Paul Weingartner (2014). 13. Whether Everything That Comes Under God’s Providence is Caused by God or by Creatures. In Nature's Teleological Order and God's Providence: Are They Compatible with Chance, Free Will, and Evil? De Gruyter 141-173.
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  34. Paul Weingartner & Gerhard Schurz (1989). Logic, Philosophy of Science and Epistemology, Proceedings of the 11th International Wittgenstein Symposium, 4th to 13th August 1986. [REVIEW] Studia Logica 48 (1):134-135.
     
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  35.  12
    Paul Weingartner (1976). Bemerkungen zum Intensionsbegriff in der Geschichte der Logik. Zeitschrift für Philosophische Forschung 30 (1):51 - 68.
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  36. Paul Weingartner (1967). Grundfragen der Wissenschaften Und Ihre Wurzeln in der Metaphysik. Hrsg. Von Paul Weingartner. Pustet.
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  37. Paul Weingartner (1966). Deskription, Analytizität Und Existenz. München, Pustet.
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  38.  17
    Paul Weingartner (1975). A Finite Approximation to Models of Set Theory. Studia Logica 34 (1):45 - 58.
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  39. Paul Weingartner (2011). Presuppositions of Classical Logic. Presuppositions of Classical Physics. Studia Philosophiae Christianae 4:85-102.
     
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  40.  11
    Paul Weingartner (1974). On the Characterization of Entities by Means of Individuals and Properties. Journal of Philosophical Logic 3 (3):323 - 336.
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  41.  2
    Paul Weingartner (2014). 10. Whether Everything That Happens Comes Under God’s Providence. In Nature's Teleological Order and God's Providence: Are They Compatible with Chance, Free Will, and Evil? De Gruyter 106-117.
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  42.  8
    Paul Weingartner (1974). Foreword. Journal of Philosophical Logic 3 (3):169-169.
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  43. Paul Weingartner (1963). Probleme, die sich bei der Darstellung von wissenschaftlichen Lehrsystemen ergeben. Salzburger Jahrbuch für Philosophie:197-208.
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  44.  1
    Paul Weingartner (2014). 16. Whether God’s Providence is Compatible with Evil. In Nature's Teleological Order and God's Providence: Are They Compatible with Chance, Free Will, and Evil? De Gruyter 236-272.
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  45.  4
    Paul Weingartner (1964). Problems and Requirements in Theory Rendering. Philosophy and Phenomenological Research 25 (1):85-95.
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  46.  2
    Paul Weingartner (2012). The Premises of Anselm's Argument. In Miroslaw Szatkowski (ed.), Ontological Proofs Today. Ontos Verlag 50--423.
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  47.  1
    Paul Weingartner (2014). 5. Whether There is Teleological Order in Non-Living Things? In Nature's Teleological Order and God's Providence: Are They Compatible with Chance, Free Will, and Evil? De Gruyter 31-45.
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  48.  1
    Paul Weingartner (1996). A Note on Gettier's Problem. Philosophia Scientiae 1 (S1):221-231.
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  49.  1
    Paul Weingartner (1998). Forgotten and Neglected Solutions of Problems in Philosophical Logic. In Katarzyna Kijania-Placek & Jan Woleński (eds.), The Lvov-Warsaw School and Contemporary Philosophy. Kluwer Academic Publishers 379--393.
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  50. Albert J. J. Anglberger & Paul Weingartner (eds.) (2010). Neuer Atheismus Wissenschaftlich Betrachtet. Ontos.
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