display all the ideas for this combination of texts
4 ideas
7134 | Something can be irrefutable; that doesn't make it true [Nietzsche] |
17058 | What many people consider merely physically necessary I consider completely necessary [Kripke] |
4970 | What is often held to be mere physical necessity is actually metaphysical necessity [Kripke] |
7186 | There are no necessary truths, but something must be held to be true [Nietzsche] |