display all the ideas for this combination of texts
17 ideas
| 12611 | Necessity makes alternatives impossible [Aristotle] |
| 13828 | Necessary truths are those provable from identities by pure logic in finite steps [Leibniz, by Hacking] |
| 17852 | A thing has a feature necessarily if its denial brings a contradiction [Aristotle] |
| 15779 | Possibility is when the necessity of the contrary is false [Aristotle] |
| 15769 | Anything which is possible either exists or will come into existence [Aristotle] |
| 13084 | How can things be incompatible, if all positive terms seem to be compatible? [Leibniz] |
| 14544 | Potentialities are always for action, but are conditional on circumstances [Aristotle] |
| 15774 | We recognise potentiality from actuality [Aristotle] |
| 15777 | A 'potentiality' is a principle of change or process in a thing [Aristotle] |
| 15778 | Things are destroyed not by their powers, but by their lack of them [Aristotle] |
| 4307 | A reason must be given why contingent beings should exist rather than not exist [Leibniz] |
| 12612 | Some things have external causes of their necessity; others (the simple) generate necessities [Aristotle] |
| 15108 | Aristotle's says necessary truths are distinct and derive from essential truths [Aristotle, by Koslicki] |
| 15883 | Leibniz narrows down God's options to one, by non-contradiction, sufficient reason, indiscernibles, compossibility [Leibniz, by Harré] |
| 18822 | Each monad expresses all its compatible monads; a possible world is the resulting equivalence class [Leibniz, by Rumfitt] |
| 7837 | Leibniz proposed possible worlds, because they might be evil, where God would not create evil things [Leibniz, by Stewart,M] |
| 13080 | Leibniz has a counterpart view of de re counterfactuals [Leibniz, by Cover/O'Leary-Hawthorne] |