You have chosen 'Exigency to Exist in Essences' by Gottfried Leibniz, 'Modal Logic within Counterfactual Logic' by Timothy Williamson and 'U.S. Declaration of Independence' by Thomas Jefferson
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Science, or select a subheading: |
| A. | Basis of Science | |
| B. | Scientific Theories | |
| C. | Induction | |
| D. | Explanation |