Philosophy / Unit 6 Philosophy 0226 short lesson, about 20 seconds
The Interaction Problem
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The idea
The interaction problem: if mind is immaterial, how does it move muscles or receive signals—where and how do two unlike substances trade causes?
In practice
Princess Elisabeth of Bohemia pressed Descartes: an unextended thing has no surface to push with. He never satisfied her.
Your place on the trail
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Builds on
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