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Basic Tense Systems

  • Dov M. Gabbay
Chapter
Part of the Synthese Library book series (SYLI, volume 92)

Abstract

The language we are concerned with in this chapter is TBC, containing all the classical connectives and quantifyers and two unary operators; GA, reading: ‘A will always be true’ and HA, reading: ‘A has always been true’. Using the other connectives we can express ‘A will sometimes be true’ by ~ G ~ A and ‘A has sometime been true’ by ~ H ~ A.

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Copyright information

© D. Reidel Publishing Company, Dordrecht, Holland 1976

Authors and Affiliations

  • Dov M. Gabbay

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