You have chosen 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer, 'An Argument for the Identity Theory' by David Lewis and 'Boole calculus and the Concept script' by Gottlob Frege
start again | choose another area for these texts | all the ideas for this combination of textsAll the ideas for Existence, or select a subheading: |
A. | Nature of Existence | |
B. | Change in Existence | |
C. | Structure of Existence | |
D. | Theories of Reality | |
E. | Categories |