You have chosen 'Letter to Peter Wilhelm Lund' by Søren Kierkegaard, 'How to Make our Ideas Clear' by Charles Sanders Peirce and 'Remarks on the Foundations of Mathematics' by Ludwig Wittgenstein
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Natural Reality, or select a subheading: |
| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |