You have chosen 'The Sign of Four' by Arthur Conan Doyle, 'The Epistemology of Essence (draft)' by Tuomas E. Tahko and 'Principles of Theoretical Logic' by Hilbert,D/Ackermann,W
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Metaethics, or select a subheading: |
| A. | Ethics Foundations | |
| B. | Value | |
| C. | The Good |