You have chosen 'Barcan Formulae' by Koen Vervloesem, 'An Introduction to Modal Logic' by GE Hughes/M Cresswell and 'Much Ado About Nothing' by William Shakespeare
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 |