Kripke Models - evaluating the meaning of $\Box\Box p$
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04-11-2019 - |
题
In Kripke models the evaluation of $x \vdash \Box p$ would be that every world reachable from $x$ satisfies $p$.
But how would the truth of $\Box\Box p$ be evaluated in Kripke models?
没有正确的解决方案
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