Various problems brought by quantum gravity present more unsolvable ontological and epistemological problems. 量子引力中的各种问题带来了一系列意义深远的本体论与认识论的问题。
As foundational as these epistemological claims are to Waldron and Fallon's stances, they are highly controversial. 沃尔德伦和法伦的立场如同这些认识论的观点一样具有基础性，它们具有高度的争议性。
