科学定律和偶适概括在自然语言中都是全称命题。
Scientific laws and accidental generalizations are both universal propositions in natural language.
断定有某种趋势存在的命题是存在命题而不是全称命题。
A statement asserting the existence of a trend is existential, not universal.
但本文认为，当谈论全称命题的真假时，其主项对象的存在就已经被设定，因此无须再进行假设。
This article argues, however, in discussing the true or false of a universal proposition, the existence of the object should be supposed to have been enacted.
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。
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。
Data query for proposition with universal quantifier and data query for implication proposition are two categories of the most practical and difficult data queries.
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