You have chosen 'When Does a Life Begin?' by Michael Lockwood, 'Against Barbaric physics' by Gottfried Leibniz and 'Sketch for a Theory of the Emotions' by Jean-Paul Sartre
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 |