You have chosen 'The Evolution of Logic' by William D. Hart, 'On the Introduction of Transfinite Numbers' by John von Neumann and 'Metaphysical Foundations of Mathematics' by Gottfried Leibniz
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 |