Deontic logic is moving forward dynamic logic from static logic Researching and developing of the deontic logic has an role that can not be replaced for representation of legal knowledge.

• 道义逻辑的一个发展趋势是正在从静态逻辑走向动态逻辑。道义逻辑的研究和发展，对于法律规范知识表达具有不可替代的作用。