be the actual world, and let be some possible world in which does not exist.According to Comparability, is better for than @ . But the following claim is tempting: Accessibility. If is better for than @ , then, if had been actual, (still) would have been better for than @ . 14 13 If people are necessary beings, as necessitists, like Williamson (2013), maintain, then we should replace talk of existence with talk of chunkiness.