display all the ideas for this combination of texts
3 ideas
| 5862 | A single counterexample is enough to prove that a truth is not necessary [Aristotle] |
| 4630 | Two theories can be internally consistent and match all the facts, yet be inconsistent with one another [Quine, by Baggini /Fosl] |
| 5854 | Nobody fears a disease which nobody has yet caught [Aristotle] |