You have chosen 'Armstrong on combinatorial possibility' by David Lewis, 'On the Conservation of Force' by Hermann von Helmholtz and 'Why Propositions cannot be concrete' by Alvin Plantinga
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Knowledge Aims, or select a subheading: |
| A. | Knowledge | |
| B. | Certain Knowledge | |
| C. | Knowing Reality |