您要查找的是不是：
- A subsidiary proposition assumed to be valid and used to demonstrate a principal proposition. 引理，辅助定理被认为是合理且被用于证明主要命题的次要命题
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Inference of the obverse of a proposition. 换质法推导一个命题的方法
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- This is the inverse of his earlier proposition. 这和他早些时候提的建议截然相反。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- A proposition obtained by conversion. 逆命题通过换位得到的命题
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- Keeping a shop in this village is not a pay proposition. 在这个村子里开设商店是一桩亏本的买卖。
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The principal discouraged unexcused absences. 校长不准无故缺课。
- Rubber is the country's principal export. 橡胶制品是该国主要的出口产品。
- The positive or negative character of a proposition. 命题的性质命题的肯定或否定的性质
- The principal has a very tight schedule. 校长的日程表排得满满的。
- The students discussed the proposition that man is basically good. 学生们讨论了这么一个论点,即人性本善。
- Our school gave a reception to our new principal. 我们学校为新校长举行了欢迎会。
