R. Harrop. Some forms of models of propositional calculi. Contributions to mathematical logic, Proceedings of the Logic Colloquium, Hannover 1966, edited by H. Arnold Schmidt, K. Schutte, and H.-J. Thiele, Studies in logic and the foundations of mathematics, North-Holland Publishing Company, Amsterdam1968, pp. 163–174. - Ronald Harrop. On the equivalence for non-derivability testing of finite Smiley models and finite modified Smiley models. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 17 (1971), pp. 137–143.

Dolph Ulrich

doi:10.2307/2271932

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R. Harrop. Some forms of models of propositional calculi. Contributions to mathematical logic, Proceedings of the Logic Colloquium, Hannover 1966, edited by H. Arnold Schmidt, K. Schutte, and H.-J. Thiele, Studies in logic and the foundations of mathematics, North-Holland Publishing Company, Amsterdam1968, pp. 163–174. - Ronald Harrop. On the equivalence for non-derivability testing of finite Smiley models and finite modified Smiley models. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 17 (1971), pp. 137–143.

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R. Harrop. Some forms of models of propositional calculi. Contributions to mathematical logic, Proceedings of the Logic Colloquium, Hannover 1966, edited by H. Arnold Schmidt, K. Schutte, and H.-J. Thiele, Studies in logic and the foundations of mathematics, North-Holland Publishing Company, Amsterdam1968, pp. 163–174. - Ronald Harrop. On the equivalence for non-derivability testing of finite Smiley models and finite modified Smiley models. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 17 (1971), pp. 137–143.

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.

R. Harrop. Some forms of models of propositional calculi. Contributions to mathematical logic, Proceedings of the Logic Colloquium, Hannover 1966, edited by H. Arnold Schmidt, K. Schutte, and H.-J. Thiele, Studies in logic and the foundations of mathematics, North-Holland Publishing Company, Amsterdam1968, pp. 163–174. - Ronald Harrop. On the equivalence for non-derivability testing of finite Smiley models and finite modified Smiley models. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 17 (1971), pp. 137–143.

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