You have chosen 'General Facts,Phys Necessity, and Metaph of Time' by Peter Forrest, 'On the Algebra of Logic' by Charles Sanders Peirce and 'Letters to Jourdain' by Gottlob Frege
start again | choose another area for these texts | all the ideas for this combination of texts| All 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 |