You have chosen 'Categories, Classification, Cogn. Anthropology' by Roy Ellen, 'Theories of Everything' by Frank Close and 'Introduction to the Theory of Logic' by Jos L. Zalabardo
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 |