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Chapter Summary

The philosophical masterpiece of Avicenna, the Kitab al-Šifā̕, is an extensive summa with four main parts. This chapter focuses in more detail on some of the loci paralleli between logic and metaphysics that are found in the Šifā̕, classifying them into four main types: logical doctrines repeated in metaphysics in order to be provided with an ultimate foundation there; doctrines dealt with de facto in logic, but de iure pertaining to metaphysics alone; doctrines autonomously investigated by both logic and metaphysics with minor changes; doctrines autonomously investigated by both logic and metaphysics with substantial modifications. The chapter illustrates a tendency towards an 'ontologization' of logic, in which the domains of logic and metaphysics are apparently conflated, despite Avicenna's clear-cut distinction of the philosophical disciplines.

Keywords:Avicenna; logical doctrines; metaphysics; ontologization



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