In the paper we explore the idea of describing Pawlak's rough sets using three-valued logic, whereby the value t corresponds to the positive region of a set, the value f -- to...
Hybrid logic extends modal logic with support for reasoning about individual states, designated by so-called nominals. We study hybrid logic in the broad context of coalgebraic sem...
—This paper presents various semantic interpretations for logics of knowledge and time with prefect recall. We allow both past and future operators and examine the interpretation...
As context-aware systems become more widespread and mobile there is an increasing need for a common distributed event platform for gathering context information and delivering to ...
In this paper we define a sequent calculus to formally specify, simulate, debug and verify security protocols. In our sequents we distinguish between the current knowledge of prin...