亦称“或然命题”，“盖然命题”。 反映事物可能性的命题。 如“这个地区可能有石油”；“明天可能不下雨”。
罗素为解决休谟问题而提出归纳原则。金岳霖等人力图证明归纳原则是永真命题，但未对可能命题作出语义解释。
Other philosopher such as Jin Yulun tried hard to confirm that inductive principle was a tautology proposition, but didn't give semantic interpretation for possible proposition.
但是，这不是一个“全是或全否”的命题，因为有可能只升级某些模块而不升级其他模块。
This is not an "all or nothing" proposition, however, as it is possible to upgrade some modules and not others.
尽管没有用处，但对于一个比我条件更好，更悠闲的研究者来说，弄清楚牛顿与传统以及他的时代的确切关系有时可能是一个有趣的命题。
Some time it might be interesting, but not useful, for some student better equipped and more idle than I to work out Newton’s exact relationship to the tradition and MSS. of his time.
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