platonism

/ˈpleɪtəˌnɪzəm/
noun
  1. The philosophy of Plato, especially the idea that true reality consists of perfect, eternal forms or ideas that exist beyond the physical world.
    • In art, platonism inspired the search for perfect beauty beyond what the eye can see.
    • Many mathematicians are influenced by platonism, believing numbers exist independently of human minds.
    • Platonism teaches that the physical world is only a shadow of a higher, ideal reality.
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