You have chosen 'World and Essence' by Alvin Plantinga, 'Principles of Philosophy of the Future' by Ludwig Feuerbach and 'Letters to the Lord Marquis of Newcastle' by Thomas Hobbes
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 |