"Omnis enim res quæ dando non deficit, dum habetur et non datur, nondum habetur quomodo habenda est." ("For a possession which is not diminished by being shared with others, if it is possessed and not shared, is not yet possessed as it ought to be possessed.") —St. Augustine, De doctrina Christiana lib. 1 cap. 1

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What is strict syllogistic form?

Started by Geremia, May 31, 2016, 10:53:28 AM

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Strict syllogistic form is how Scholastic philosophers and theologians performed disputations in the Middle Ages.
A syllogism consists of:
  • Major premise
  • Minor premise
  • Conclusion
A premise can be a so-called A, E, I, O proposition. From here:
AEvery S is PUniversal Affirmative
ENo S is PUniversal Negative
ISome S is PParticular Affirmative
OSome S is not PParticular Negative
The diagram for the traditional square of opposition is:

For more information on Scholastic disputations, see Fr. Thomas Gilby, O.P.'s Barbara Celarent: A Description of Scholastic Dialectic pp. 279-296 (also in the St. Isidore e-book library).


I plan to get a better grasp of strict syllogistic form.