Aristotelian Syllogisms

• M

  Middle, repeats in both the 1st and 2nd premise
• S

  Subject, the person/thing referred to
• P

  Predicate, a verb that describes the thing the subject does.
• Structure of Aristotelian Syllogism

  MP

  SM

  —————

  SP
• Law of Distributed Middle

  The middle has to be diagonally apart from eachother
• Valid Argument

  • Follows the Aristotelian argument structure.
  • Based on the fact the premises are true and so the conclusion is true
• Sound Argument


  The argument is applicable to the real world

  Example:

  All humans are blue

  Aristotle is a human

  —————

  Thus, Aristotle is blue

  Not sound since not all humans are blue.