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Henry S. Leonard [23]Henry Siggins Leonard [3]
  1. The Calculus of Individuals and its Uses.Henry S. Leonard & Nelson Goodman - 1940 - Journal of Symbolic Logic 5 (2):45-55.
  2.  17
    The Calculus of Individuals and Its Uses.Henry S. Leonard & Nelson Goodman - 1940 - Journal of Symbolic Logic 5 (3):113-114.
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  3. The Logic of Existence.Henry S. Leonard - 1956 - Philosophical Studies 7 (4):49 - 64.
  4.  27
    Testability and Meaning.Henry S. Leonard & Rudolf Carnap - 1937 - Journal of Symbolic Logic 2 (1):49.
  5.  70
    Interrogatives, Imperatives, Truth, Falsity and Lies.Henry S. Leonard - 1959 - Philosophy of Science 26 (3):172-186.
    This paper aims to establish three major theses: (1) Not only declarative sentences, but also interrogatives and imperatives, may be classified as true or as false. (2) Declarative, imperative, and interrogative utterances may also be classified as honest or as dishonest. (3) Whether an utterance is honest or dishonest is logically independent of whether it is true or is false. The establishment of the above theses follows upon the adoption of a principle for identifying what is meant by any sentence, (...)
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  6.  3
    Principles of Reasoning: An Introduction to Logic, Methodology, and the Theory of Signs.Henry Siggins Leonard - 1967 - New York: Dover Publications.
  7. A Modern Introduction to Logic.John W. Blyth & Henry S. Leonard - 1959 - Philosophy of Science 26 (2):149-150.
     
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  8.  9
    Two-Valued Truth Tables for Modal Functions.Henry S. Leonard - 1951 - Journal of Symbolic Logic 16 (4):288-288.
  9. Ethical Predicates.Henry S. Leonard - 1949 - Journal of Philosophy 46 (19):601-607.
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  10.  39
    A Reply to Professor Wheatley.Henry S. Leonard - 1961 - Philosophy of Science 28 (1):55-64.
    I am grateful to Professor Wheatley for his note, [3], on my analysis of interrogatives, [1]. His comments bring out very clearly a number of considerations that deserve our closest attention. For example, he shows that if we can classify interrogatives as true and false—as I proposed to do—then we can properly inquire about what sentences contradict them, and what sentences are contingently or logically equivalent to them. Furthermore, he shows that, on my analysis, no indirect question can contradict any (...)
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  11.  61
    Synonymy and Systematic Definitions.Henry S. Leonard - 1967 - The Monist 51 (1):33-68.
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  12.  60
    The Pragmatism and Scientific Metaphysics of C. S. Peirce. [REVIEW]Henry S. Leonard - 1937 - Philosophy of Science 4 (1):109-.
    The fifth volume of the Collected Papers of C. S. Peirce, entitled Pragmatism and Pragmaticism, contains papers dealing with two distinguishable, but interconnected doctrines: Pragmatism and Critical Common-sensism. The latter, antedating in its earliest expositions the first formulation of the pragmatic doctrine in 1877, 8, is however later conceived by Peirce as a consequence of pragmatism. The two doctrines will be advisedly treated here in isolation, and first pragmatism.
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  13.  19
    Interrogatives, Imperatives, Truth, Falsity and Lies.Gerold Stahl & Henry S. Leonard - 1966 - Journal of Symbolic Logic 31 (4):666.
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  14.  14
    The Logical Syntax of LanguageRudolf Carnap Amethe Smeaton.Henry S. Leonard - 1938 - Isis 29 (1):163-167.
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  15. A Reply to Professor Wheatley's Note on Professor Leonard's Analysis of Interrogatives, Etc.Henry S. Leonard - 1961 - Philosophy of Science 28 (January):55-64.
    I am grateful to Professor Wheatley for his note, [3], on my analysis of interrogatives, [1]. His comments bring out very clearly a number of considerations that deserve our closest attention. For example, he shows that if we can classify interrogatives as true and false—as I proposed to do—then we can properly inquire about what sentences contradict them, and what sentences are contingently or logically equivalent to them. Furthermore, he shows that, on my analysis, no indirect question can contradict any (...)
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  16.  10
    Review: J. R. Kantor, The Role of Language in Logic and Science. [REVIEW]Henry S. Leonard - 1939 - Journal of Symbolic Logic 4 (4):164-165.
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  17.  7
    Carnap Rudolf. Testability and Meaning. Philosophy of Science, Vol. 3 , Pp. 419–471, and Vol. 4 , Pp. 1–40.Henry S. Leonard - 1937 - Journal of Symbolic Logic 2 (1):49-50.
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  18. An Introduction to Principles of Right Reason.Henry Siggins Leonard - 1957 - New York: Holt.
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  19.  11
    The Pragmatism and Scientific Metaphysics of C. S. Peirce. [REVIEW]Henry S. Leonard - 1937 - Philosophy of Science 4 (1):109 - 121.
    The fifth volume of the Collected Papers of C. S. Peirce, entitled Pragmatism and Pragmaticism, contains papers dealing with two distinguishable, but interconnected doctrines: Pragmatism and Critical Common-sensism. The latter, antedating in its earliest expositions the first formulation of the pragmatic doctrine in 1877, 8, is however later conceived by Peirce as a consequence of pragmatism. The two doctrines will be advisedly treated here in isolation, and first pragmatism.
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  20.  8
    John M. Dehaan.Henry S. Leonard & Lewis K. Zerby - 1956 - Proceedings and Addresses of the American Philosophical Association 30:110 -.
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  21.  6
    Kantor J. R.. The Róle of Language in Logic and Science. The Journal of Philosophy, Vol. 35 , Pp. 449–463.Henry S. Leonard - 1939 - Journal of Symbolic Logic 4 (4):164-165.
  22.  5
    Synonymy and Systematic Definitions.Henry S. Leonard - 1967 - The Monist 51 (1):33-68.
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  23.  35
    Authorship and Purpose.Henry S. Leonard - 1959 - Philosophy of Science 26 (4):277-294.
    This paper approaches a theory relating authorship, meaning and purpose by semiformalized developments of two "presupposed theories": of purposeful behavior and of sign-reading. The theory of purposeful behavior is made to rest upon two undefined predicates. `Wt(a,p,q)' abbreviates the claim that at time t, person a works at bringing it about that p in order to bring it about that q. `Bt(a,p)' abbreviates the claim that at time t, person a brings it about that p. A number of definitions and (...)
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  24.  17
    Essences, Attributes, and Predicates.Henry S. Leonard - 1963 - Proceedings and Addresses of the American Philosophical Association 37:25 - 51.
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  25.  8
    Principles of Right Reason.Henry S. Leonard - 1958 - Journal of Symbolic Logic 23 (4):435-436.