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Part One

Sīnā / Avicenna Ibn

Pages 29 - 104

[3,8] In the preceding work you have learned the basics about the compound expression and the simple expression. And you have learned then that the compound expression is composed of the simple expression. And you have learned that simple expressions, insofar as they are universal and particular, and essential and accidental, have five divisions. So now you must learn that knowledge of these five states52 for simple expressions will suffice for giving you knowledge of compound expressions, insofar as you seek knowledge of them. You [must] believe that other states for simple expressions are not needed here for the knowledge of the compound expressions. So not all the states of simple expressions have to be used for knowing the states of the compound expressions in the [sort of] composition intended in logic. Further, an inquiry into them in the art of logic uses these. [You must learn] that compound expressions are taken in the art of logic for inquiring into the way useful for the derivation of belief and thought, and (that) this derivation is completed by syllogisms and definitions and descriptions.

F. E. Peters Aristotle and the Arabs, p. 27.


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