| Paragraph 1 | First we must define the terms 'noun' and 'verb', then the terms 'denial' and 'affirmation', then 'proposition' and 'sentence.' |
| Paragraph 2 | Spoken words are the symbols of mental experience and written words are the symbols of spoken words. |
| Paragraph 3 | As there are in the mind thoughts which do not involve truth or falsity, and also those which must be either true or false, so it is in speech. |
HTML by 
created 1996/11/25 modified 2009/04/26