The Wax
In a famous thought experiment from the Second Meditation, the Meditator uses a piece of wax to represent why the senses cannot truly perceive the essence of things—and why pure reason can. He imagines the…
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Triangles
In the Fifth Meditation, triangles represent the way that people can achieve certain knowledge about the world through rationality. The Meditator uses triangles as an example to illustrate the difference between the clear and distinct…
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