About this scholarly article

E. J. Lemmon. An extension algebra and the modal system T. Notre Dame Journal of formal logic, vol. 1 (1960), pp. 3–12. - E. J. Lemmon. Algebraic semantics for modal logics. The journal of symbolic logic, vol. 31 (1966), pp. 46–65; pp. 191–218. by Review by: David Makinson is a scholarly article available to read on EtoBox.

Author

Review by: David Makinson

Publisher

Association for Symbolic Logic; Cambridge University Press; Cambridge University Press (CUP) (ISSN 0022-4812)

Published

1970