You have chosen 'Does Conceivability Entail Possibility?' by David J.Chalmers, 'Substitutional Classes and Relations' by Bertrand Russell and 'Of Organum or Ars Magna of Thinking' by Gottfried Leibniz
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 |