restricted predicate calculus

例句：

1. 1. The researchers developed a new algorithm to solve the problem of restricted predicate logic.
   研究人员开发了一种新算法，以解决受限谓词逻辑问题。
2. 2. In this paper, we introduce the concept of restricted predicate logic and its application in naturallanguage processing.
   在本文中，我们介绍了受限谓词逻辑的概念及其在自然语言处理中的应用。
3. 3. The research on restricted predicate logic is still in its early stages, and there are many open questions that need to be addressed.
   受限谓词逻辑的研究仍处于初级阶段，有许多需要解决的问题。