An extension algebra and the modal system ${\rm T}$

Notre Dame Journal of Formal Logic 1 (1-2):3-12 (1960)
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10.1305/ndjfl/1093956424

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reprint Lemmon, E. J. (1970) "An Extension Algebra and the Modal System T". Journal of Symbolic Logic 35(1):136-137

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E. J. Lemmon. An extension algebra and the modal system T.Notre Dame Journal of formal logic, vol. 1 , pp. 3–12. - E. J. Lemmon. Algebraic semantics for modal logics.The journal of symbolic logic, vol. 31 , pp. 46–65; pp. 191–218. [REVIEW]David Makinson - 1970 - Journal of Symbolic Logic 35 (1):136-137.
Lennart Åqvist. Results concerning some modal systems that contain S2. The journal of symbolic logic, vol. 29 (1964), pp. 79–87. - E. J. Lemmon. Some results on finite axiomatlzability in modal logic. Notre Dame journal of formal logic, vol. 6 (1965), pp. 301–308. - E. J. Lemmon. A note on Halldén-incompleteness. Notre Dame journal of formal logic, vol. 7 no. 4 (for 1966, pub. 1968), pp. 296–300. [REVIEW]Lennart Aqvist & E. J. Lemmon - 1970 - Journal of Symbolic Logic 34 (4):648-649.
Lennart Åqvist. Results concerning some modal systems that contain S2. The journal of symbolic logic, vol. 29 (1964), pp. 79–87. - E. J. Lemmon. Some results on finite axiomatlzability in modal logic. Notre Dame journal of formal logic, vol. 6 (1965), pp. 301–308. - E. J. Lemmon. A note on Halldén-incompleteness. Notre Dame journal of formal logic, vol. 7 no. 4 (for 1966, pub. 1968), pp. 296–300. [REVIEW]M. J. Cresswell - 1970 - Journal of Symbolic Logic 34 (4):648-649.
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Citations of this work

Algebraic semantics for modal logics I.E. J. Lemmon - 1966 - Journal of Symbolic Logic 31 (1):46-65.
Algebraic semantics for modal logics II.E. J. Lemmon - 1966 - Journal of Symbolic Logic 31 (2):191-218.
Some structure results for propositional calculi.Ronald Harrop - 1965 - Journal of Symbolic Logic 30 (3):271-292.
Ways of understanding Hugh MacColl's concept of symbolic existence.Shahid Rahman - 1998 - Nordic Journal of Philosophical Logic 3:35-58.

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