You have chosen 'Counterpart theory and Quant. Modal Logic' by David Lewis, 'Speaking of Objects' by Willard Quine and 'Of Organum or Ars Magna of Thinking' by Gottfried Leibniz
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Reason, or select a subheading: |
| A. | Nature of Reason | |
| B. | Laws of Thought | |
| C. | Styles of Reason | |
| D. | Definition | |
| E. | Argument | |
| F. | Fallacies |