Syllogisms

The former is the founder of the type of logic called Syllogisms and the latter is the originator of the set theory.

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Boethius 'On the Hypothetical Syllogisms is the only remaining early work on this topic.

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In addition, he produced an interesting book called On Hypothetical Syllogisms (De hypotheticis syllogismis), which will be touched on in the discussion below (see Obertello 1969 for the text).

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He also wrote two textbooks on the categorical syllogism: On the Categorical Syllogism (De syllogismo categorico) and Introduction to Categorical Syllogisms (Introductio ad syllogismos categoricos) (for the texts, see Migne 1847 and Thomsen Thörnqvist 2001).

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Syllogisms concluding to an "uncommon idiom for negatives" add another three valid forms in the first figure and two in the second.

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Ebbesen, S. (1981), ˜Analyzing Syllogisms or Anonymus Aurelianensis III - the (presumably) Earliest Extant Latin commentary on the Prior Analytics, and its Greek Model™, Cahiers de l'Institut Moyen-Âge Grec et Latin, Université de Copenhague 37, 1-20.

Medieval Theories of Modality Knuuttila, Simo 2008

A work supplementing the Rules, On the Proofs of Conclusions from the Treatise of Rules for Resolving Syllogisms [De probationibus conclusionum tractatus regularum solvendi sophismata], which may not be by William himself, appears in early printed editions and manuscripts.

William Heytesbury Longeway, John 2007

Gersonides also wrote a logical treatise, Sefer Ha-heqesh Ha-yashar (On Valid Syllogisms, 1319), in which he examines problems associated with Aristotle's modal logic as developed in the Prior Analytics.

Gersonides Rudavsky, Tamar 2007

Intuitive Knowledge vs Syllogisms by Mac McKinney on Tuesday, Nov 20, 2007 at 12: 17: 50 PM

Radioactive Ammunition Fired in Middle East May Claim More Lives Than Hiroshima and Nagasaki 2007

Syllogisms, of sophistical arguments, and in those which work by questions?

The Discourses of Epictetus 2004