You have chosen 'Mathematics without Numbers' by Geoffrey Hellman, 'An Axiomatization of Set Theory' by John von Neumann and 'A Rsum of Metaphysics' by Gottfried Leibniz
start again | choose another area for these texts | all the ideas for this combination of textsAll the ideas for Modality, or select a subheading: |
A. | Necessity | |
B. | Possibility | |
C. | Sources of Modality | |
D. | Knowledge of Modality | |
E. | Possible worlds |