You have chosen 'The Sign of Four' by Arthur Conan Doyle, 'De Re and De Dicto' by Alvin Plantinga and 'Review of Husserl's 'Phil of Arithmetic'' by Gottlob Frege
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 |