You have chosen 'Logical Necessity: Some Issues' by Ian McFetridge, 'First-order Logic, 2nd-order, Completeness' by Marcus Rossberg and 'Essence and Accident' by Irving M. Copi
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 |