| Paragraph 1 | A single science is one whose domain is a single genus, viz. all the subjects constituted out of the primary entities of the genus - i.e. the parts of this total subject - and their essential properties. |
| Paragraph 2 | One science differs from another when their basic truths have neither a common source nor are derived those of the one science from those the other. |

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