Porphyry, Introduction. Chapter 14


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1. It is likewise common to Difference and Accident to be predicated of many things.

2. But it is common to Difference, with inseparable Accidents, to be always present, and to every one; for biped is always present to man; and in a similar manner blackness is present to all crows.

3. They differ, however; because Difference indeed comprehends Species, but is not comprehended by them; for rational comprehends angel and man; but Accidents after a certain manner comprehend, because they are in many things; and after a certain manner are comprehended, because the subjects are not the recipients of one Accident, but of many.

4. And Difference indeed, does not admit of intension and remission; but Accidents receive the more and the less.

5. Contrary Differences likewise cannot be mingled, but contrary Accidents sometimes can be mingled. And so many are the things which Difference, and the other four possess in common, and peculiarly.


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