You have chosen 'The Logic of Scientific Discovery' by Karl Popper, 'Replies on 'Limits of Abstraction'' by Kit Fine and 'Criterion of Validity in Reasoning' by Charles Sanders Peirce
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 |