Metaphysics:
Plato's greatest contribution to modern society is found in his theories relating to metaphysics. These is now referred to as Platonism (or Exaggerated Realism). Plato divides his world into two aspects: the intelligible world and the perceptual world.
The Perceptual world: Plato saw the perceptual world around us as imperfect copies of the intelligible forms or ideas.
The Intelligible world: Forms are unchangeable and perfect, and only comprehensible by the use of intellect and understanding. …