You have chosen 'Exigency to Exist in Essences' by Gottfried Leibniz, 'Modal Logic within Counterfactual Logic' by Timothy Williamson and 'Completeness of Axioms of Logic' by Kurt Gdel
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Mathematics, or select a subheading: |
| A. | Nature of Mathematics | |
| B. | Foundations for Mathematics | |
| C. | Sources of Mathematics |