You have chosen 'The Foundations of Empirical Knowledge' by A.J. Ayer, 'The Nature of Existence vol.2' by J.M.E. McTaggart and 'Letters to Oldenburg' 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 |