Aristotle (monism) | / | / | Hule [eidos] |
Newton (monism) | / | / | Particle [(position, momentum)] |
Plato (Allegory of the Sun) | actual world | Idea (=sunlight) | Idea world |
Descartes | [A] (=mind) | [B] (=body (≈sensory organ)) (Mediating of A and C) | [C] (=matter) |
quantum language | Measurer [measured value] | Measuring instrument [observable] | System [state] |