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Henry S. Leonard [22]Henry Siggins Leonard [3]Henry Leonard [2]
  1. The calculus of individuals and its uses.Henry S. Leonard & Nelson Goodman - 1940 - Journal of Symbolic Logic 5 (2):45-55.
  2.  35
    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.  93
    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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  5.  9
    Principles of reasoning.Henry Siggins Leonard - 1967 - New York,: Dover Publications.
  6.  14
    Two-Valued Truth Tables for Modal Functions.Henry S. Leonard - 1951 - Journal of Symbolic Logic 16 (4):288-288.
  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.  35
    Eleanor Bisbee. Confusion about exclusive and exceptive propositions. The philosophical review, vol. 46 (1937), pp. 85–88. [REVIEW]Henry S. Leonard & Rudolf Carnap - 1937 - Journal of Symbolic Logic 2 (1):49-49.
  9.  46
    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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  10. Ethical predicates.Henry S. Leonard - 1949 - Journal of Philosophy 46 (19):601-607.
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  11.  45
    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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  12.  2
    An introduction to principles of right reason.Henry Siggins Leonard - 1957 - New York,: Holt.
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  13.  9
    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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  14.  21
    Essences, Attributes, and Predicates.Henry S. Leonard - 1963 - Proceedings and Addresses of the American Philosophical Association 37:25 - 51.
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  15.  14
    John M. Dehaan.Henry S. Leonard & Lewis K. Zerby - 1956 - Proceedings and Addresses of the American Philosophical Association 30:110 -.
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  16.  11
    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.
  17.  1
    Principles of reasoning.Henry Siggins Leonard - 1967 - New York,: Dover Publications.
  18.  10
    Principles of Right Reason.Henry S. Leonard - 1958 - Journal of Symbolic Logic 23 (4):435-436.
  19.  63
    Synonymy and Systematic Definitions.Henry S. Leonard - 1967 - The Monist 51 (1):33-68.
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  20.  13
    Synonymy and Systematic Definitions.Henry S. Leonard - 1967 - The Monist 51 (1):33-68.
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  21.  20
    The Logical Syntax of LanguageRudolf Carnap Amethe Smeaton.Henry S. Leonard - 1938 - Isis 29 (1):163-167.
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  22.  22
    Interrogatives, Imperatives, Truth, Falsity and Lies.Gerold Stahl & Henry S. Leonard - 1966 - Journal of Symbolic Logic 31 (4):666.
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  23.  66
    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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  24.  10
    A System Of Logistic By Willard Van Orman Quine. [REVIEW]Henry Leonard - 1935 - Isis 24 (1):168-172.
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  25.  11
    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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  26.  15
    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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  27.  11
    The Logical Syntax of Language by Rudolf Carnap; Amethe Smeaton. [REVIEW]Henry Leonard - 1938 - Isis 29:163-167.