You have chosen 'Three Grades of Modal Involvement' by Willard Quine, 'New System and Explanation of New System' by Gottfried Leibniz and 'Symbolic Logic (with Langford)' by C.I. Lewis
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 |