According to the philosophical theory of compossibility, what can happen, for example in the context of time travel, must be weighed against the context of everything relating to the situation.
根據可共存性（英语：compossibility）的哲學理論，若要考慮時間旅行的背景下可能發生的事，則必須考慮到所有與該情況相關的事情脈絡。