Aristotle - The Organon - index for PRIOR ANALYTICS Book 1

The syllogism defined

TextParagraph Index
Part 1 Perfect and imperfect syllogisms
Part 2 Premisses, their modes and conversions
Part 3 Universal and possible premisses
Part 4 The first figure
Part 5 The second figure
Part 6 The third figure
Part 7 The relation between the figures
Part 8 Necessity, actuality and possibility
Part 9 Syllogisms with some necessary premisses
Part 10 The second figure with one necessary premiss
Part 11 The third figure with one necessary premiss
Part 12 Simple conclusions and necessary conclusions
Part 13 Proof of or from possibility
Part 14 Reasoning about possibilities
Part 15 Possibility, impossibility
Part 16 One premiss necessary, the other problematic
Part 17 Second figure, both premisses problematic
Part 18 One premiss assertoric, the other problematic
Part 19 One necessary, other problematic, negative necessary
Part 20 Both or only one of the premisses is problematic
Part 21 One premiss pure, the other problematic
Part 22 One necessary, other problematic, premisses affirmative
Part 23 Every syllogism is formed through these figures
Part 24 One premiss must be affirmative, one universal
Part 25 Every demonstration proceeds through three terms
Part 26 What sort of problem is difficult to prove
Part 27 How to reach the principles relative to the problem
Part 28 To establish something about a whole, look to the subjects
Part 29 Impossible conclusions and ostensive syllogisms
Part 30 On method, in relation to choice of premisses
Part 31 Division into classes is a small part of the method
Part 32 Reducing syllogisms to the figures
Part 33 On the necessity of syllogistic inference
Part 34 Not setting out the terms of the premiss well
Part 35 Terms need not be single words
Part 36 Relations between the terms in a syllogism
Part 37 Predication and categories
Part 38 Terms repeated in the premisses
Part 39 Exchanging terms
Part 40 Good and The Good
Part 41 Transitivity of belonging
Part 42 On figures
Part 43 Proving some part of a definition
Part 44 We must not try to reduce hypothetical syllogisms
Part 45 Reduction of syllogisms between figures
Part 46 'not to be this' and 'to be not-this' differ in meaning

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