Category: necessary

  • Deciding whether a conclusion is possible or necessary

    Psychologists studying human reasoning have primarily focused on syllogistic reasoning, i.e., the truthfulness of a necessary conclusion from two stated premises, as in the following famous example: All men are mortal. Socrates is a man. Therefore, Socrates is mortal. Another form of reasoning is modal reasoning, which deals with possibilities and necessities; for example: All…

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