34 found
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  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.  8
    Error-Related Cognitive Control and Behavioral Adaptation Mechanisms in the Context of Motor Functioning and Anxiety.Marta Topor, Bertram Opitz & Hayley C. Leonard - 2021 - Frontiers in Human Neuroscience 15.
    Motor proficiency reflects the ability to perform precise and coordinated movements in different contexts. Previous research suggests that different profiles of motor proficiency may be associated with different cognitive functioning characteristics thus suggesting an interaction between cognitive and motor processes. The current study investigated this interaction in the general population of healthy adults with different profiles of motor proficiency by focusing on error-related cognitive control and behavioral adaptation mechanisms. In addition, the impact of these processes was assessed in terms of (...)
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  6.  9
    Principles of reasoning.Henry Siggins Leonard - 1967 - New York,: Dover Publications.
  7.  14
    Two-Valued Truth Tables for Modal Functions.Henry S. Leonard - 1951 - Journal of Symbolic Logic 16 (4):288-288.
  8. A Modern Introduction to Logic.John W. Blyth & Henry S. Leonard - 1959 - Philosophy of Science 26 (2):149-150.
     
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  9.  16
    An Exploration of the Factor Structure of Executive Functioning in Children.David Messer, Marialivia Bernardi, Nicola Botting, Elisabeth L. Hill, Gilly Nash, Hayley C. Leonard & Lucy A. Henry - 2018 - Frontiers in Psychology 9.
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  10.  27
    The Impact of Poor Motor Skills on Perceptual, Social and Cognitive Development: The Case of Developmental Coordination Disorder.Hayley C. Leonard - 2016 - Frontiers in Psychology 7:180501.
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  11.  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.
  12.  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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  13. Ethical predicates.Henry S. Leonard - 1949 - Journal of Philosophy 46 (19):601-607.
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  14.  11
    Driving Skills of Individuals With and Without Developmental Coordination Disorder.Judith Gentle, Daniel Brady, Nigel Woodger, Sophie Croston & Hayley C. Leonard - 2021 - Frontiers in Human Neuroscience 15.
    Learning to drive is a significant event for the transition to adulthood and delay or avoidance may have social, practical, and psychological implications. For those with Developmental Coordination Disorder, driving presents a considerable challenge, and the literature shows that there are differences in driving ability between individuals with and without DCD. The aim of the current research is to further our understanding of the mechanisms underlying the driving experiences of individuals with DCD. Nineteen participants with DCD and 36 controls aged (...)
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  15.  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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  16.  2
    An introduction to principles of right reason.Henry Siggins Leonard - 1957 - New York,: Holt.
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  17.  3
    Cost-Benefit Analysis Defended.Herman B. Leonard - 1983 - Philosophy & Public Policy Quarterly 3 (3):6.
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  18.  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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  19.  21
    Essences, Attributes, and Predicates.Henry S. Leonard - 1963 - Proceedings and Addresses of the American Philosophical Association 37:25 - 51.
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  20.  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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  21.  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.
  22.  1
    Principles of reasoning.Henry Siggins Leonard - 1967 - New York,: Dover Publications.
  23.  10
    Principles of Right Reason.Henry S. Leonard - 1958 - Journal of Symbolic Logic 23 (4):435-436.
  24.  63
    Synonymy and Systematic Definitions.Henry S. Leonard - 1967 - The Monist 51 (1):33-68.
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  25.  13
    Synonymy and Systematic Definitions.Henry S. Leonard - 1967 - The Monist 51 (1):33-68.
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  26. The historical vs. the deductive method in.Henrietta Leonard - unknown
    The offering which the most prominent leader of the younger generation of the historical school has made to the founder and head of that school, Wilhelm Roscher, at the fiftieth anniversary of his doctorate, is a most fitting tribute. It is as if Schmoller had presented a laurel- wreathed portrait of the veteran's intellectual self. A vigorous sketch, which forms the centre of the book, shows Roscher's place and significance in political economy, and around this Schmoller has set a frame (...)
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  27.  20
    The Logical Syntax of LanguageRudolf Carnap Amethe Smeaton.Henry S. Leonard - 1938 - Isis 29 (1):163-167.
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  28.  26
    Transition to adulthood for young people with intellectual disability: the experiences of their families.H. Leonard, K. -R. Foley, T. Pikora, J. Bourke, K. Wong, L. McPherson, N. Lennox & J. Downs - unknown
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  29.  22
    Interrogatives, Imperatives, Truth, Falsity and Lies.Gerold Stahl & Henry S. Leonard - 1966 - Journal of Symbolic Logic 31 (4):666.
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  30.  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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  31.  10
    A System Of Logistic By Willard Van Orman Quine. [REVIEW]Henry Leonard - 1935 - Isis 24 (1):168-172.
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  32.  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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  33.  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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  34.  11
    The Logical Syntax of Language by Rudolf Carnap; Amethe Smeaton. [REVIEW]Henry Leonard - 1938 - Isis 29:163-167.