You have chosen 'On the Foundations of Logic and Arithmetic' by David Hilbert, 'Ontology and the Vicious Circle Principle' by Charles Chihara and 'On the Syllogism IV' by Augustus De Morgan
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Ethics, or select a subheading: |
| A. | Egoism | |
| B. | Contract Ethics | |
| C. | Virtue Theory | |
| D. | Deontological Ethics | |
| E. | Utilitarianism | |
| F. | Existentialism |