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Modal Logic and Science

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Multiple Choice

What is the main difference between classical logic and modal logic?

  1. Classical logic deals with truth values, while modal logic deals with possibilities.
  2. Classical logic is deductive, while modal logic is inductive.
  3. Classical logic is concerned with the relationship between premises and conclusions, while modal logic is concerned with the relationship between possible worlds.
  4. Classical logic is based on the law of the excluded middle, while modal logic is based on the law of non-contradiction.
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