Platonic Dualism
Materialism
- Marxist Materialism
- Marxism Today: https://www.youtube.com/watch?v=Ma2khXvKIWs
- Philosophy of Rational Materialism
- Terrence McKenna: How rational and material is it? https://www.youtube.com/watch?v=1aF-fCwfWfo
Natural World
Time
Space