Sense relations between sentences such as entailment and presupposition .
蕴涵和预设之类的句子间的意义联系。
The three metaphorical concepts form a conceptual system based on subcategorization and entailment .
这三个隐喻概念形成概念系统的次范畴和蕴涵。
As a result , one can know one proposition relative to one set of possible worlds , know the entailment to a second proposition , and yet fail to know the second proposition relative to a different .
