| Paragraph 1 | Syllogisms which lead to impossible conclusions are similar to ostensive syllogisms; |
| Paragraph 2 | These points will be made clearer by the sequel, when we discuss the reduction to impossibility: |
| Paragraph 3 | Each of the problems then can be proved in the manner described; |
| Paragraph 4 | It is clear then from what has been said not only that all syllogisms can be formed in this way, but also that they cannot be formed in any other. |

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created 1996/11/25 modified 2009/04/26