| 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. |

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