
doi: 10.1109/time.2015.19
handle: 11588/618897
In game-theory, a classic qualitative question is to check whether a designed set of the players has a winning strategy. In several safety-critical applications, however, it is important to ensure that some redundant strategies also exist, to be used in case of some fault. By establishing how many different strategies a game admits, one can grade its resilience. In this paper, we introduce and study Graded Strategy Logic (GSL), an extension of Strategy Logic (SL) along with graded quantifiers. SL is a powerful formalism that allows to describe useful game concepts in multi-agent settings by explicitly quantifying over strategies treated as first-order citizens. In GSL, by means of the existential construct(x =g) f, one can state that at least g strategies satisfy f. Dually, via the universal construct [x
game theory, Multiagent systems, Strategy Logic, Strategy Logic, Multiagent systems, strategic reasoning, formal verification, game theory, graded logic, formal verification, strategic reasoning, graded logic
game theory, Multiagent systems, Strategy Logic, Strategy Logic, Multiagent systems, strategic reasoning, formal verification, game theory, graded logic, formal verification, strategic reasoning, graded logic
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