Is there a real world, and if so, is it as it appears to be?
The existence of the external world a)Skepticism I: i)Descartes b) Appearance & Reality: ii) Locke c) Idealism & Materialism: iii) Berkeley d) Skepticism II: iv) Hume
The existence of the external world a)Skepticism I: i)Descartes b) Appearance & Reality: ii) Locke c) Idealism & Materialism: iii) Berkeley d) Skepticism II: iv) Hume