E. W. Beth. Remarks on natural deduction. Koninklijke Nederlandse Akademie van Wetenschappen, Proceedings, series A, Vol. 58 (1955), pp. 322–325; also Indagationes mathematicae, vol. 17 (1955) pp. 322–325. - E. W. Beth. Semantic entailment and formal derivability. Mededelingen der Koninklijke Nederlandse Akademie van Wetenschappen, Afd. letterkunde, n.s. vol. 18 no. 13 (1955), pp. 309–342. - K. Jaakko J. Hintikka. A new approach to sentential logic. Societas Scientiarum Fennica, Commentationes physico-mathematicae, vol. 17 no. 2 (1953), 14 pp. - K. Jaakko J. Hintikka. Form and content in quantification theory. Two papers on symbolic logic, Acta philosophica Fennica no. 8, Helsinki1955, pp. 7–55. - K. Jaakko J. Hintikka. Notes on quantification theory. Societas Scientiarum Fennica, Commentationes physico-mathematicae, vol. 17 no. 12 (1955), 13 pp.

William Craig

doi:10.2307/2963926

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E. W. Beth. Remarks on natural deduction. Koninklijke Nederlandse Akademie van Wetenschappen, Proceedings, series A, Vol. 58 (1955), pp. 322–325; also Indagationes mathematicae, vol. 17 (1955) pp. 322–325. - E. W. Beth. Semantic entailment and formal derivability. Mededelingen der Koninklijke Nederlandse Akademie van Wetenschappen, Afd. letterkunde, n.s. vol. 18 no. 13 (1955), pp. 309–342. - K. Jaakko J. Hintikka. A new approach to sentential logic. Societas Scientiarum Fennica, Commentationes physico-mathematicae, vol. 17 no. 2 (1953), 14 pp. - K. Jaakko J. Hintikka. Form and content in quantification theory. Two papers on symbolic logic, Acta philosophica Fennica no. 8, Helsinki1955, pp. 7–55. - K. Jaakko J. Hintikka. Notes on quantification theory. Societas Scientiarum Fennica, Commentationes physico-mathematicae, vol. 17 no. 12 (1955), 13 pp.

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E. W. Beth. Remarks on natural deduction. Koninklijke Nederlandse Akademie van Wetenschappen, Proceedings, series A, Vol. 58 (1955), pp. 322–325; also Indagationes mathematicae, vol. 17 (1955) pp. 322–325. - E. W. Beth. Semantic entailment and formal derivability. Mededelingen der Koninklijke Nederlandse Akademie van Wetenschappen, Afd. letterkunde, n.s. vol. 18 no. 13 (1955), pp. 309–342. - K. Jaakko J. Hintikka. A new approach to sentential logic. Societas Scientiarum Fennica, Commentationes physico-mathematicae, vol. 17 no. 2 (1953), 14 pp. - K. Jaakko J. Hintikka. Form and content in quantification theory. Two papers on symbolic logic, Acta philosophica Fennica no. 8, Helsinki1955, pp. 7–55. - K. Jaakko J. Hintikka. Notes on quantification theory. Societas Scientiarum Fennica, Commentationes physico-mathematicae, vol. 17 no. 12 (1955), 13 pp.

To save this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Google Drive account. Find out more about saving content to Google Drive.

E. W. Beth. Remarks on natural deduction. Koninklijke Nederlandse Akademie van Wetenschappen, Proceedings, series A, Vol. 58 (1955), pp. 322–325; also Indagationes mathematicae, vol. 17 (1955) pp. 322–325. - E. W. Beth. Semantic entailment and formal derivability. Mededelingen der Koninklijke Nederlandse Akademie van Wetenschappen, Afd. letterkunde, n.s. vol. 18 no. 13 (1955), pp. 309–342. - K. Jaakko J. Hintikka. A new approach to sentential logic. Societas Scientiarum Fennica, Commentationes physico-mathematicae, vol. 17 no. 2 (1953), 14 pp. - K. Jaakko J. Hintikka. Form and content in quantification theory. Two papers on symbolic logic, Acta philosophica Fennica no. 8, Helsinki1955, pp. 7–55. - K. Jaakko J. Hintikka. Notes on quantification theory. Societas Scientiarum Fennica, Commentationes physico-mathematicae, vol. 17 no. 12 (1955), 13 pp.

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