You have chosen 'Exigency to Exist in Essences' by Gottfried Leibniz, 'Examination of Sir Wm Hamilton's Philosophy' by John Stuart Mill and 'The Foundations of Empirical Knowledge' by A.J. Ayer
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 |