You have chosen 'A Puzzle about Belief' by Saul A. Kripke, 'On Eternal and Immutable Morality' by Ralph Cudworth and 'Letters to Hugo Boxel' by Baruch de Spinoza
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Mathematics, or select a subheading: |
| A. | Nature of Mathematics | |
| B. | Foundations for Mathematics | |
| C. | Sources of Mathematics |