Example processes were defined in Chapter 1, and in Chapter 2 modal logics were introduced for expressing their capabilities. An important issue arises when two processes may be deemed to have the same behaviour. Such an abstraction can be presented by defining an appropriate equivalence relation between processes. In this chapter, we focus on equivalences for CCS processes defined in terms of bisimulation relations. However, we present them using games that provide a powerful metaphor for understanding interaction. There is also an intimate relation between modal properties and these equivalences.
KeywordsParallel Operator Modal Property Transition Graph Slot Machine Winning Strategy
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