You have chosen 'Presidential Address of Am. Math. Soc' by Oswald Veblen, 'Letters to De Vries' by Baruch de Spinoza and 'Attack Upon Christendom' by Sren Kierkegaard
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Thought, or select a subheading: |
| A. | Modes of Thought | |
| B. | Mechanics of Thought | |
| C. | Content | |
| D. | Concepts | |
| E. | Abstraction |