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S i d e b a r
Shadows in the Cave


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This Rock
Volume 16, Number 9
November 2005
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In Book VII of The Republic, Plato discusses a state in which the general run of humanity is unaware of truth and reality. He describes a cave in which prisoners are chained and unable to turn their heads. They see only the wall in front of them while a fire burns behind. Men manipulate puppets behind the prisoners that cast shadows on the wall, and because the prisoners are able to see only the shadows, their reality, or perception of truth, is limited to the illusions created for them. While this allegory has become popular among some postmodern thinkers who use it to argue that we are imprisoned in the cave of the shadows, Plato’s assertion is that we can indeed ascend into the light of truth and reality. One method of emerging into the light is to study mathematics, as math is bound to singular and unchallengeable answers. For Plato, such exercises are a starting point for emerging from illusion. Truth exists and is knowable.
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