You have chosen 'Reply to Fifth Objections' by René Descartes, 'Theory of Knowledge (2nd edn)' by Keith Lehrer and 'Boole calculus and the Concept script' by Gottlob Frege
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Philosophy, or select a subheading: |
| A. | Wisdom | |
| B. | History of Ideas | |
| C. | History of Philosophy | |
| D. | Nature of Philosophy | |
| E. | Nature of Metaphysics | |
| F. | Analytic Philosophy | |
| G. | Scientific Philosophy | |
| H. | Continental Philosophy |