You have chosen 'Nominalism and Substitutional Quantifiers' by Ruth Barcan Marcus, 'Aristotle on Substance' by Mary Louise Gill and 'Boole calculus and the Concept script' by Gottlob Frege
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Knowledge Criteria, or select a subheading: |
| A. | Justification Problems | |
| B. | Internal Justification | |
| C. | External Justification | |
| D. | Scepticism | |
| E. | Relativism |