You have chosen 'Identity in Substances and True Propositions' by Gottfried Leibniz, 'Nature and Observability of Causal Relations' by Curt Ducasse and 'Logic and Conversation' by H. Paul Grice
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 |