170 found
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  1.  9
    Symbolic Logic.Hugues Leblanc - 1954 - Journal of Symbolic Logic 19 (4):282-284.
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  2.  14
    Truth-Value Semantics.Hugues Leblanc - 1976 - Distributor, Elsevier/North-Holland.
  3. Nondesignating Singular Terms.Hugues Leblanc - 1959 - Philosophical Review 68 (2):239-243.
  4.  35
    Completeness of Relevant Quantification Theories.Robert K. Meyer, J. Michael Dunn & Hugues Leblanc - 1974 - Notre Dame Journal of Formal Logic 15 (1):97-121.
  5.  7
    Deductive Logic.Hugues Leblanc - 1972 - Boston: Allyn & Bacon.
  6.  7
    Introduction to Symbolic Logic and its Applications.Hugues Leblanc - 1960 - Journal of Philosophy 57 (9):311-313.
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  7.  32
    Probabilistic Semantics for First-Order Logic.Hugues Leblanc - 1979 - Zeitschrift fur mathematische Logik und Grundlagen der Mathematik 25 (32):497-509.
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  8.  8
    The Structure of Appearance.Hugues Leblanc - 1952 - Philosophy and Phenomenological Research 12 (3):447-448.
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  9.  11
    Formal Logic.Hugues Leblanc - 1962 - Journal of Symbolic Logic 27 (2):218-220.
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  10.  19
    Probabilistic Semantics for First‐Order Logic.Hugues Leblanc - 1979 - Mathematical Logic Quarterly 25 (32):497-509.
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  11.  27
    Truth, Syntax and Modality.Hugues Leblanc (ed.) - 1973 - Amsterdam: North-Holland.
    Provability, Computability and Reflection.
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  12.  4
    Introduction to Logic.Hugues Leblanc - 1954 - Journal of Symbolic Logic 19 (2):147-148.
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  13.  25
    Probability Functions and Their Assumption Sets — the Singulary Case.Hugues Leblanc - 1983 - Journal of Philosophical Logic 12 (4):379 - 402.
  14.  8
    Existence, Truth, and Probability.Hugues Leblanc - 1980 - State University of New York Press.
    Introductions to the parts of the book cover the history of the contributions and their importance. The essays have been thoroughly revised since their publication in learned journals.
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  15.  20
    Indiscernibility and Identity in Probability Theory.Peter Roeper & Hugues Leblanc - 1990 - Notre Dame Journal of Formal Logic 32 (1):1-46.
  16.  16
    Truth-Value Semantics for a Logic of Existence.Hugues Leblanc - 1971 - Notre Dame Journal of Formal Logic 12 (2):153-168.
  17.  33
    Logic Without Metaphysics.Hugues Leblanc - 1957 - Philosophy and Phenomenological Research 18 (2):267-267.
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  18.  43
    On Carnap and Popper Probability Functions.Hugues Leblanc & Bas C. van Fraassen - 1979 - Journal of Symbolic Logic 44 (3):369 - 373.
  19.  86
    The Autonomy of Probability Theory (Notes on Kolmogorov, Rényi, and Popper).Hugues Leblanc - 1989 - British Journal for the Philosophy of Science 40 (2):167-181.
    Kolmogorov's account in his [1933] of an absolute probability space presupposes given a Boolean algebra, and so does Rényi's account in his [1955] and [1964] of a relative probability space. Anxious to prove probability theory ‘autonomous’. Popper supplied in his [1955] and [1957] accounts of probability spaces of which Boolean algebras are not and [1957] accounts of probability spaces of which fields are not prerequisites but byproducts instead.1 I review the accounts in question, showing how Popper's issue from and how (...)
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  20.  26
    Probability Theory, Intuitionism, Semantics and the Dutch Book Argument.Charles G. Morgan & Hugues Leblanc - 1983 - Notre Dame Journal of Formal Logic 24 (3):289-304.
  21.  4
    Alternatives to Standard First-Order Semantics.Hugues Leblanc, D. Gabbay & F. Guenthner - 1989 - Journal of Symbolic Logic 54 (4):1483-1484.
  22.  17
    Existence, Truth and Provability.Ermanno Bencivenga & Hugues LeBlanc - 1985 - Journal of Symbolic Logic 50 (1):227.
  23.  24
    On Relativizing Kolmogorov's Absolute Probability Functions.Hugues Leblanc & Peter Roeper - 1989 - Notre Dame Journal of Formal Logic 30 (4):485-512.
  24.  31
    The Demarcation Line Between Intuitionist Logic and Classical Logic.Hugues Leblanc & Richmond H. Thomason - 1966 - Mathematical Logic Quarterly 12 (1):257-262.
  25.  19
    Logic and Knowledge. Essays 1901-1950.Hugues Leblanc - 1958 - Philosophy and Phenomenological Research 19 (1):121-122.
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  26.  12
    A First Course in Modern Logic.Hugues Leblanc - 1959 - Journal of Symbolic Logic 24 (3):220-221.
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  27.  29
    A Revised Version of Goodman's Confirmation Paradox.Hugues Leblanc - 1963 - Philosophical Studies 14 (4):49 - 51.
  28.  24
    That Principia Mathematica, First Edition, has a Predicative Interpretation After All.Hugues Leblanc - 1975 - Journal of Philosophical Logic 4 (1):67 - 70.
  29.  15
    What Price Substitutivity? A Note on Probability Theory.Hugues Leblanc - 1981 - Philosophy of Science 48 (2):317-322.
    Teddy Seidenfeld recently claimed that Kolmogorov's probability theory transgresses the Substitutivity Law. Underscoring the seriousness of Seidenfeld's charge, the author shows that (Popper's version of) the law, to wit: If (∀ D)(Pr(B,D)=Pr(C,D)), then Pr(A,B)=Pr(A,C), follows from just C1. 0≤ Pr(A,B)≤ 1 C2. Pr(A,A)=1 C3. Pr(A & B,C)=Pr(A,B & C)× Pr(B,C) C4. Pr(A & B,C)=Pr(B & A,C) C5. Pr(A,B & C)=Pr(A,C & B), five constraints on Pr of the most elementary and most basic sort.
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  30.  4
    Probability Theory and Probability Semantics.Peter Roeper & Hugues Leblanc (eds.) - 1999 - University of Toronto Press.
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  31.  17
    Two Shortcomings of Natural Deduction.Hugues Leblanc - 1966 - Journal of Philosophy 63 (2):29-37.
  32.  14
    Two Separation Theorems for Natural Deduction.Hugues Leblanc - 1966 - Notre Dame Journal of Formal Logic 7 (2):159-180.
  33.  49
    Probability Functions and Their Assumption Sets — the Binary Case.Hugues Leblanc & Charles G. Morgan - 1984 - Synthese 60 (1):91 - 106.
  34.  26
    On Characterizing Unary Probability Functions and Truth-Value Functions.Hugues Leblanc - 1985 - Canadian Journal of Philosophy 15 (1):19 - 24.
    Consider a language SL having as its primitive signs one or more atomic statements, the two connectives ‘∼’ and ‘&,’ and the two parentheses ‘’; and presume the extra connectives ‘V’ and ‘≡’ defined in the customary manner. With the statements of SL substituting for sets, and the three connectives ‘∼,’ ‘&,’and ‘V’ substituting for the complementation, intersection, and union signs, the constraints that Kolmogorov places in [1] on probability functions come to read:K1. 0 ≤ P,K2. P) = 1,K3. If (...)
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  35.  36
    On Requirements for Conditional Probability Functions.Hugues Leblanc - 1960 - Journal of Symbolic Logic 25 (3):238-242.
  36.  20
    Wittgenstein and the Truth-Functionality Thesis.Hugues Leblanc - 1972 - American Philosophical Quarterly 9 (3):271 - 274.
  37.  24
    Boolean Algebra and the Propositional Calculus.Hugues Leblanc - 1962 - Mind 71 (283):383-386.
  38.  13
    Proof Routines for the Propositional Calculus.Hugues Leblanc - 1963 - Notre Dame Journal of Formal Logic 4 (2):81-104.
  39.  12
    A Simplified Account of Validity and Implication for Quantificational Logic.Hugues Leblanc - 1968 - Journal of Symbolic Logic 33 (2):231-235.
  40.  12
    Techniques of Deductive Inference.Hugues Leblanc - 1966 - Englewood Cliffs, N.J., Prentice-Hall.
  41.  34
    Of A and B Being Logically Independent of Each Other and of Their Having No Common Factual Content.Peter Roeper & Hugues Leblanc - 1995 - Theoria 61 (1):61-79.
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  42.  18
    An Extension of the Équivalence Calculus.Hugues Leblanc - 1961 - Zeitschrift fur mathematische Logik und Grundlagen der Mathematik 7 (7-10):104-105.
  43.  32
    Études sur les règles d'inférence dites règles de Gentzen.Hugues Leblanc - 1963 - Dialogue 1 (4):355-367.
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  44.  40
    Absolute Probability Functions for Intuitionistic Propositional Logic.Peter Roeper & Hugues Leblanc - 1999 - Journal of Philosophical Logic 28 (3):223-234.
    Provided here is a characterisation of absolute probability functions for intuitionistic (propositional) logic L, i.e. a set of constraints on the unary functions P from the statements of L to the reals, which insures that (i) if a statement A of L is provable in L, then P(A) = 1 for every P, L's axiomatisation being thus sound in the probabilistic sense, and (ii) if P(A) = 1 for every P, then A is provable in L, L's axiomatisation being thus (...)
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  45.  23
    Truth-Value Assignments and Their Cardinality.Hugues Leblanc - 1978 - Philosophia 7 (2):305-316.
  46.  30
    Getting the Constraints on Popper's Probability Functions Right.Hugues Leblanc & Peter Roeper - 1993 - Philosophy of Science 60 (1):151-157.
    Shown here is that a constraint used by Popper in The Logic of Scientific Discovery (1959) for calculating the absolute probability of a universal quantification, and one introduced by Stalnaker in "Probability and Conditionals" (1970, 70) for calculating the relative probability of a negation, are too weak for the job. The constraint wanted in the first case is in Bendall (1979) and that wanted in the second case is in Popper (1959).
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  47.  28
    A Rationale for Analogical Inference.Hugues Leblanc - 1969 - Philosophical Studies 20 (1-2):29 - 31.
  48.  13
    Conditionals and Conditional Probabilities: Three Triviality Theorems.Hugues Leblanc & Peter Roeper - 1990 - In Kyburg Henry E., Loui Ronald P. & Carlson Greg N. (eds.), Knowledge Representation and Defeasible Reasoning. Kluwer Academic Publishers. pp. 287--306.
  49.  11
    On a Recent Allotment of Probabilities to Open and Closed Sentences.Hugues Leblanc - 1960 - Notre Dame Journal of Formal Logic 1 (4):171-175.
  50.  19
    Henkin's Completeness Proof: Forty Years Later.Hugues Leblanc, Peter Roeper, Michael Thau & George Weaver - 1991 - Notre Dame Journal of Formal Logic 32 (2):212-232.
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