Grosseteste, Robert (C. 1168-1253) - Research Article from Encyclopedia of Philosophy

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Light Metaphysics

Basic to Grosseteste's view of the universe is his metaphysics of light. He held that in the beginning God created the first corporeal form (lux), which had the property of instantaneously multiplying itself infinitely in every direction, and simple matter, an unextended substance. The original point of light was joined to unextended matter (since matter and form never exist separately) and in its expansion drew matter out into spatial dimensions. The resulting universe was a sphere extremely rare at the periphery but dense and opaque near the center. It was finite because a simple substance multiplied an infinite number of times would result in a finite quantity, and the matter of the periphery (the firmament) was completely actualized and capable of no further change.

When this perfect first body, containing only first matter and first form, had been created, it diffused its reflected light...

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This section contains 2,091 words
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Encyclopedia of Philosophy
Grosseteste, Robert (C. 1168-1253) from Encyclopedia of Philosophy. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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