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Formal development of ordinal number theory1

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 12 March 2014, pp. 95104

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Simplest normal truth functions

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 12 March 2014, pp. 105108

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Solution of a problem of Leon Henkin1

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 12 March 2014, pp. 115118

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Two semantical paradoxes

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 12 March 2014, pp. 119120

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A note on twoplace predicates and fitting sequences of measure functions

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 12 March 2014, pp. 121122

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Simplified foundations for mathematical logic1

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 12 March 2014, pp. 123139

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On the paradox of grounded classes

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 12 March 2014, p. 140

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A proof procedure for quantification theory

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 12 March 2014, pp. 141149

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Correction to a paper on modal logic

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 12 March 2014, p. 150

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Recursive wellorderings

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 12 March 2014, pp. 151163

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Reviews
K. Jaakko J. Hintikka. Distributive normal forms in the calculus of predicates. Acta philosophica fennica, no. 6. Helsinki1953, 71 pp.

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 12 March 2014, p. 164

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Abraham A. Fraenkel. Abstract set theory. Studies in logic and the foundations of mathematics. NorthHolland Publishing Company, Amsterdam1953, XII + 479 pp.

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 12 March 2014, pp. 164165

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Henry W. Johnstone Jr. Elementary deductive logic. Thomas Y. Crowell Company, New York1954, viii + 241 pp.

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 12 March 2014, pp. 165166

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A. N. Prior. Negative quantifiers. The Australasian journal of philosophy, vol. 31 (1953), pp. 107–123.

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A. N. Prior. Modality de dicto and modality de re. Theoria (Lund), vol. 18 (1952), pp. 174–180.

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 12 March 2014, p. 167

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W. V. Quine. Three grades of modal involvement. Actes du XIème Congrès International de Philosophie, Volume XIV, Volume complémentaire et communications du Colloque de Logique, NorthHolland Publishing Company, Amsterdam1953, and Éditions E. Nauwelaerts, Louvain 1953, pp. 65–81.

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 12 March 2014, pp. 168169

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Arata Ishimoto. A set of axioms of the modal proposilional calculus equivalent to S3. The science of thought (Tokyo), no. 1 (1954), pp. 1–11.

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 12 March 2014, p. 169

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Sadeo Shiraishi. The structure of the continuity of psychological experiences and the physical world. The science of thought (Tokyo), no. 1 (1954), pp. 12–24.

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Shumpei Ueyama. Development of Peirce's theory of logic. The science of thought (Tokyo), no. 1 (1954), pp. 25–32.

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 12 March 2014, p. 170

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Ruth Lydia Saw. Leibniz. With a foreword by A. J. Ayer. Pelican philosophy series. Penguin Books, Harmondsworth, Baltimore, etc., 1954, 240 pp.

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 12 March 2014, pp. 170171

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