A. H. Lachlan. A note on Thomason's refined structures for tense logics. Theoria, vol. 40(1974), pp. 117–120. - Kit Fine. Some connections between elementary and modal logic. Proceedings of the Third Scandinavian Logic Symposium, edited by Stig Ranger, Studies in logic and the foundations of mathematics, vol. 82, North-Holland Publishing Company, Amsterdam and Oxford, and American Elsevier Publishing Company, Inc.,

Abstract

A. H. Lachlan. A note on Thomason's refined structures for tense logics. Theoria, vol. 40(1974), pp. 117–120. - Kit Fine. Some connections between elementary and modal logic. Proceedings of the Third Scandinavian Logic Symposium, edited by Stig Ranger, Studies in logic and the foundations of mathematics, vol. 82, North-Holland Publishing Company, Amsterdam and Oxford, and American Elsevier Publishing Company, Inc.,