Lessons From Descartes’ Evil Genius

On epistemology, rationalism, and justified true belief

Ryan Hubbard, PhD
The Apeiron Blog
Published in
8 min readApr 21, 2020

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Photo by Daniel Frank on Unsplash

Imagine this:

Sam is in the kitchen about to wash dishes. Before starting, Sam places the wedding ring next to the sink. The doorbell rings and Sam leaves the kitchen to see who’s at the door. While absent from the kitchen, a thief opens the window directly above the sink, reaches in…

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