You have chosen 'Remarks on the Foundations of Mathematics' by Ludwig Wittgenstein, 'Theory Change and the Indeterminacy of Reference' by Hartry Field and 'Proof of an External World' by G.E. Moore
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 |