You have chosen 'On the Question of Absolute Undecidability' by Peter Koellner, 'Introduction to the Theory of Logic' by Jos L. Zalabardo and 'Grundlagen (Foundations of Theory of Manifolds)' by George Cantor
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 |