| Paragraph 1 | The same manner of conversion will hold good also in respect of necessary premisses. |
| Paragraph 2 | In respect of possible premisses, since possibility is used in several senses (for we say that what is necessary and what is not necessary and what is potential is possible), affirmative statements will all convert in a manner similar to those described. |
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created 1996/11/25 modified 2009/04/26