According to Derrida, metaphysicians have spent 2000 years conceptually boxing-in metaphor because they don't want to admit their dependence on figurative language. This has allowed them to trick themselves into believing that fiction and non-fiction are fundamentally different; that one can be true and the other cannot. In White Mythology, Derrida discovers the metaphors buried in philosophy from Plato to Hegel, even as they try to hide them.
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PlasticPills - Philosophy & Critical Theory Podcast