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Modal Logic and Time

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Multiple Choice

In modal logic, what is the difference between a possible world and an actual world?

  1. A possible world is a world that is consistent with the laws of nature, while an actual world is a world that actually exists.
  2. A possible world is a world that is consistent with the laws of nature, while an actual world is a world that is consistent with our beliefs.
  3. A possible world is a world that is consistent with our beliefs, while an actual world is a world that actually exists.
  4. A possible world is a world that is consistent with our beliefs, while an actual world is a world that is consistent with the laws of nature.
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