You have chosen 'Three Grades of Modal Involvement' by Willard Quine, 'Letter to Shumacher' by Carl Friedrich Gauss and 'Axiomatic Theories of Truth (2005 ver)' by Volker Halbach
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Thought, or select a subheading: |
| A. | Modes of Thought | |
| B. | Mechanics of Thought | |
| C. | Content | |
| D. | Concepts | |
| E. | Abstraction |