You have chosen 'Axiomatic Theories of Truth (2005 ver)' by Volker Halbach, 'Foundations of Philosophical Knowledge' by Karl Leonhard Reinhold and 'On the spiritual perfection of life' by Thomas Aquinas
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 |