Organon (350 BCE)
by Aristotle, translated by Octavius Freire Owen
Topics
Aristotle1226064OrganonTopics350 BCEOctavius Freire Owen

Book 1

Book 2

Book 3

Book 4

Book 5

Book 6

Book 7

Book 8

Concise Table of Contents edit

Book 1

Chap. 1. Of the Argument of this Treatise: of Syllogism and its kinds.
Chap. 2. That this Treatise is useful for three purposes.
Chap. 3. In what consists Dialectical Skill.
Chap. 4. Of Problem and Proposition.
Chap. 5. Of Definition, Genus, Property, and Accident.
Chap. 6. Of Arguments against Genus, etc., as applicable to the Subversion of Definition.
Chap. 7. In how many ways "Same" (τὸ ταὐτὸν) is predicated.
Chap. 8. That it may be proved by Induction and Syllogism that all questions appertain to Definition, Genus, Property, or Accident.
Chap. 9. Upon the Genera of the Categories.
Chap. 10. Of the Dialectic Proposition.
Chap. 11. Of the Dialectical Problem, and of Thesis.
Chap. 12. Of Syllogism and Induction.
Chap. 13. Of the Means adapted to the Provision of Syllogisms and Inductions.
Chap. 14. Upon the Selection of Propositions.
Chap. 15. Of the Knowledge of Diverse Modes of Predication.
Chap. 16. Upon the Discovery of Differences.
Chap. 17. How similitude is to be observed in things of different genera, and in the same genus.
Chap. 18. On the Utility of these Inquiries in Disputation.

Book 2

Chap. 1. Of the Division of Problems: of the Conversion of the Accidental: and of Problematical Errors.
Chap. 2. Of the "Places," belonging to Problems of Accident.
Chap. 3. Of the Topics belonging to Multifarious Predication.
Chap. 4. Topics relative to Name, Genus, Species, Definition, Time.
Chap. 5. Upon drawing on the Adversary to our own strong points: Subversion of the Proposition by that of the Consequent.
Chap. 6. Of Topics connected with Affirmative and Negative Argument relatively, etc.
Chap. 7. On Places connected with Contraries.
Chap. 8. Of Topics, from the sequence of Opposition.
Chap. 9. Topics of Co-ordinates, Generation and Corruption.
Chap. 10. As to Similars, the more and less.
Chap. 11. Of Arguments from Addition (ἐκ τῆς προθέσεως) and the Simple (τὸ ἁπλῶς).

Book 3

Chap. 1. Of Topics relative to the More Eligible and Better.
Chap. 2. Upon the Similar and Super-excellent.
Chap. 3. Of the more Eligible, continued.
Chap. 4. Of the Use of these Places for Demonstrating what is Eligible or to be Avoided (τὸ αἱρετὸν ἤ φευκτόν).
Chap. 5. Of Topics pre-eminently Universal from the more and greater.
Chap. 6. That the above Places are useful for Particular Problems.

Book 4

Chap. 1. Of Topics relative to Genus.
Chap. 2. Of Topics relative to Genus, Species, and Difference.
Chap. 3. Of the proper Constitution of Genus and Species.
Chap. 4. Of Topics belonging to Similitude, Relatives, etc.
Chap. 5. Topics relative to Genus continued.
Chap. 6. Of Topics relative to Genus, continued.

Book 5

Chap. 1. Upon Property.
Chap. 2. Of the correct Exposition of the Property.
Chap. 3. Topics connected with Property continued.
Chap. 4. Topics relative to the Question, whether the assigned be Property or not.
Chap. 5. The same Subject continued.
Chap. 6. Of Property from Opposites.
Chap. 7. Of Property as to Cases.
Chap. 8. Of Property from the More and Less.
Chap. 9. Topics upon Property as to Capacity, etc.

Book 6

Chap. 1. On Places connected with Definition.
Chap. 2. Of Places relative to defining rightly.
Chap. 3. Of Superfluity in Definition.
Chap. 4. As to whether the Definition contains what a thing is.
Chap. 5. Topics connected with Definition, as to Genus.
Chap. 6. Of Difference, as to Genus, Species, etc.
Chap. 7. Whether another Definition may be more explicit, etc.
Chap. 8. Of Definition as to Relation.
Chap. 9. Of Definition as to Contraries, etc.
Chap. 10. As to the similarity of cases in the Definition and in the Noun.
Chap. 11. Of Composite and Singular Definition.
Chap. 12. The same subject continued.
Chap. 13. Of Distinctive Notions in Definition.
Chap. 14. On the Definition of the whole as a Composite, etc.

Book 7

Chap. 1. Of the Question whether a Thing be the same or different.
Chap. 2. Distinction between Confirmative and Subversive Places of Definition.
Chap. 3. Of Topics suitable to confirming Definition.
Chap. 4. That the Places already mentioned, are the most appropriate of all.
Chap. 5. Of Confirmation and Subversion of Definition.

Book 8

Chap. 1. Of the Order of Argument.
Chap. 2. Other Topics relative to Dialectic Interrogation.
Chap. 3. Of Dialectic Argument generally.
Chap. 4. Of Dialectic Responsion.
Chap. 5. Various Objects in Disputation of the Thesis, etc.
Chap. 6. Certain Rules as to Admissible Points.
Chap. 7. The Practice of the Respondent in cases of Ambiguity.
Chap. 8. Of Responsion to Induction.
Chap. 9. Of the Defence of the Thesis.
Chap. 10. Of the Solution of False Arguments, and of the Methods of preventing the Conclusion.
Chap. 11. Of the Reprehension of Argument.
Chap. 12. Of Evident and False Reasoning.
Chap. 13. Of Petitio Principii, and Contraries.
Chap. 14. Of Dialectic Exercise.