You have chosen 'Leibniz: Guide for the Perplexed' by Franklin Perkins, 'Mathematics without Numbers' by Geoffrey Hellman and 'Causal Powers' by Harr,R./Madden,E.H.
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 |