You have chosen 'On the Moral and Legal State of Abortion' by Mary Anne Warren, 'Nominalism and Substitutional Quantifiers' by Ruth Barcan Marcus and 'Letter to the Editor about Bayle' by Gottfried Leibniz
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 |