You have chosen 'On Sufficient Reason' by Gottfried Leibniz, 'Coherence Theory of Truth and Knowledge' by Donald Davidson and 'Introduction to the Theory of Logic' by Jos L. Zalabardo
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Natural Theory, or select a subheading: |
| A. | Speculations on Nature | |
| B. | Natural Kinds | |
| C. | Causation | |
| D. | Laws of Nature |