but in the contemporary era, continental laws have formed the principle on the basis of the adjudged force, while anglo-american laws take protection against double jeopardy as the basis of it.
一事不再理原则起源于古罗马法,在近现代大陆法系形成了以既判力为基础的一事不再理原则,而英美法系则形成了以禁止双重危险为基础的一事不再理原则。