24 found
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  1. Philosophy of Mathematics and Natural Science.Hermann Weyl & Olaf Helmer - 1951 - British Journal for the Philosophy of Science 2 (7):257-260.
     
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  2.  5
    Philosophy of Mathematics and Natural Science.E. N., Hermann Weyl & Olaf Helmer - 1951 - Journal of Philosophy 48 (2):48.
  3.  10
    Philosophy of Mathematics and Natural Science.Hermann Weyl & Olaf Helmer - 1950 - Journal of Symbolic Logic 15 (3):206-208.
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  4.  4
    Introduction to Logic and to the Methodology of Deductive Sciences.Alfred Tarski & Olaf Helmer - 1941 - Journal of Symbolic Logic 6 (1):30-32.
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  5.  44
    On the Theory of Axiom-Systems.Olaf Helmer - 1935 - Analysis 3 (1-2):1-11.
  6.  7
    Introduction to Logic and to the Methodology of Deductive Sciences.E. N., Alfred Tarski & Olaf Helmer - 1941 - Journal of Philosophy 38 (6):164.
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  7. Introduction to Logic and to the Methodology of Deductive Sciences.Alfred Tarski & Olaf Helmer - 1944 - Philosophy 19 (72):90-91.
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  8.  40
    A Syntactical Definition of Probability and of Degree of Confirmation.Olaf Helmer & Paul Oppenheim - 1945 - Journal of Symbolic Logic 10 (2):25-60.
  9.  71
    New Books. [REVIEW]Olaf Helmer - 1937 - Mind 46 (181):97-98.
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  10.  4
    Introduction to Logic and to the Methodology of Deductive Sciences.Alfred Tarski & Olaf Helmer - 1947 - Journal of Symbolic Logic 12 (2):61-61.
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  11.  34
    GEM: An Interactive Simulation Model of the Global Economy.Olaf Helmer - 1981 - World Futures 17 (1):63-90.
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  12.  37
    The Game-Theoretical Approach to Organization Theory.Olaf Helmer - 1963 - Synthese 15 (1):245 - 253.
  13.  31
    The Significance of Undecidable Sentences.Olaf Helmer - 1937 - Journal of Philosophy 34 (18):490-494.
  14.  26
    Perelman Versus Gödel.Olaf Helmer - 1937 - Mind 46 (181):58-60.
  15.  8
    Perelman Versus Godel.S. C. Kleene & Olaf Helmer - 1937 - Journal of Symbolic Logic 2 (1):48.
  16.  6
    A Syntatical Definition of Probability and of Degree of Confirmation.Olaf Helmer & Paul Oppenheim - 1946 - Journal of Symbolic Logic 11 (1):17-18.
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  17.  6
    Languages with Expressions of Infinite Length.Olaf Helmer - 1939 - Journal of Symbolic Logic 4 (1):25-25.
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  18.  19
    Reviews of Books.Olaf Helmer, M. Strauss & Alexander Herzberg - 1976 - Erkenntnis 8 (1):372-383.
  19.  6
    Eugen Roth. Axiomatische Untersuchungen zur projektiven, affinen und metrischen Geometrie. Forschungen zur Logik und zur Grundlegung der exakten Wissenschaften, n. s. no. 2. S. Hirzel, Leipzig1937, 58 pp. [REVIEW]Olaf Helmer - 1938 - Journal of Symbolic Logic 3 (1):41-42.
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  20.  7
    Languages with Expressions of Infinite Length.Olaf Helmer - 1937 - Erkenntnis 7 (1):138-141.
  21.  4
    Black Max. Logic and Semantics. Philosophical Studies, Essays in Memory of L. Susan Stebbing, Published for the Aristotelian Society by George Allen & Unwin Ltd., London 1948, Pp. 98–128. [REVIEW]Olaf Helmer - 1950 - Journal of Symbolic Logic 15 (3):213-213.
  22. Bemerkungen zum Paradoxienproblem.Olaf Helmer - 1934 - Philosophisches Jahrbuch 47:421-424.
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  23.  4
    Language, Truth and Logic.Olaf Helmer - 1937 - Erkenntnis 7 (1):123-125.
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  24.  3
    Review: Max Black, Logic and Semantics. [REVIEW]Olaf Helmer - 1950 - Journal of Symbolic Logic 15 (3):213-213.