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Ibn Sina's Remarks and Admonitions: Physics and MetaphysicsAn Analysis and Annotated Translation$
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Print publication date: 2014

Print ISBN-13: 9780231166164

Published to Columbia Scholarship Online: November 2015

DOI: 10.7312/columbia/9780231166164.001.0001

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Second Class (P. 257)

Second Class (P. 257)

On the Directions and Their Primary and Secondary Bodies

(p.78) Second Class (P. 257)
Ibn Sina's Remarks and Admonitions: Physics and Metaphysics

Shams Inati

Columbia University Press

In this Class, Ibn Sina discusses the directions and their primary and secondary bodies. He begins by arguing that directions are determined only by an enveloping sphere, a single circular simple body that envelops all the bodies that have directions. He then examines some features of bodies and points out that a simple body is said not to require anything that is diversified, owing to its nature, which is undiversified in every way. He also asserts that the enveloping sphere or the body that determines directions has a circular motion on the grounds that it must have a propensity for circular motion. Finally, he explores the number of primary bodily elements and the reason for their arrangement in their places; the concept of change as involving substitution of accidents or internal qualities; and God's wisdom in creating the order of mixtures of the four elements (fire, water, air, and earth) as well as the impact of the degree of the temperament of the mixture on the degree of the perfection of the species.

Keywords:   directions, Ibn Sina, bodies, circular motion, change, accidents, internal qualities, God, mixtures, elements

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