11 ideas
| 10185 | Set theory is the standard background for modern mathematics [Burgess] |
| 10184 | Structuralists take the name 'R' of the reals to be a variable ranging over structures, not a structure [Burgess] |
| 10189 | There is no one relation for the real number 2, as relations differ in different models [Burgess] |
| 10186 | If set theory is used to define 'structure', we can't define set theory structurally [Burgess] |
| 10187 | Abstract algebra concerns relations between models, not common features of all the models [Burgess] |
| 10188 | How can mathematical relations be either internal, or external, or intrinsic? [Burgess] |
| 15034 | Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry] |
| 12732 | Some necessary truths are brute, and others derive from final causes [Leibniz] |
| 19438 | Our large perceptions and appetites are made up tiny unconscious fragments [Leibniz] |
| 19415 | Passions reside in confused perceptions [Leibniz] |
| 19439 | God produces possibilities, and thus ideas [Leibniz] |