You have chosen 'On What Grounds What' by Jonathan Schaffer, 'On the Conservation of Force' by Hermann von Helmholtz and 'Identity in Substances and True Propositions' by Gottfried Leibniz
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 |