The purpose of the paper is to explore universal phenomenon and mechanism in land use system a proposition which has to be answered by modern land science .

研究目的：探索蕴含在土地利用系统中的 普遍现象和机制，是现代土地科学发展必须回答的重要 命题。

A Universal Proposition about the Resonance Theorem for a Family of Additive Functionals on a Topological Group

关于拓扑群上加性泛函族共鸣定理的一个 普遍 性 命题

In fact it is possible to exert conversion on O-proposition in conversion by contraposition inference which takes the premise by the universal proposition .

本文通过欧拉图我们可以证明以 全称 命题为前提的换质位法推理中O 命题是能够换位的。

Data query for proposition with universal quantifier and data query for implication proposition are two categories of the most practical and difficult data queries .

带有 全称量词命题与蕴含 命题的数据查询是数据库应用系统中最实用的两类查询，但也是最难的两种数据查询。

Secondly the universal proposition to believe that content decides form does not adequately uncover and describe essence of Chinese Education as a special category from philosophy aspect .

其次，从哲学的角度看，内容决定形式这一 普遍 命题没能充分揭示和具体描述作为一个特殊范畴的语文教育的本质。