Icard et al. introduce a semantics for actions over time, provide an axiomatization for this logic, and use this logic to define coherence conditions for a belief-intention database. First, we show incompleteness of their axiomatization and we adapt their semantics and provide a complete axiomatization for it. Second, we show that Icard et al.'s definition of coherence is too weak, and we define a stronger notion of coherence using our new logic.
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