You have chosen 'Criterion of Validity in Reasoning' by Charles Sanders Peirce, 'Pacidius Philalethi dialogue' by Gottfried Leibniz and 'Walking the Tightrope of Reason' by Robert Fogelin
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 |