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- Inference of the obverse of a proposition. 换质法推导一个命题的方法
- A proposition obtained by conversion. 逆命题通过换位得到的命题
- This is a proposition that needs no discussion. 这是个不需要讨论的意见。
- To transform(a proposition) by conversion. 转换通过换位改变（一个命题）
- To state or assume as a proposition in an argument. 假设，预设命题在论证中做为一命题陈述或假设
- To subject(a proposition) to obversion. 用换质法说明（事物）将一命题作换质处理
- demonstrate a proposition. 证明一个命题
- He demonstrated a mastery of Arabic. 他显示了对阿拉伯语的精通。
- The positive or negative character of a proposition. 命题的性质命题的肯定或否定的性质
- He made me a proposition concerning the sale of my car. 他就我出售汽车的事提了一个建议。
- 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
- The salesperson demonstrated a new washing machine. 推销员示范操作新的洗衣机。
- The connotation or sense of a sentence is a proposition. 一个句子的内涵或意义是一个命题。
- He made a proposition concerning the sale of my car. 他就我出售汽车的事提了一个建议。
- It is clearly illogical to maintain such a proposition. 坚持这种主张显然是没有道理的。
- The interchange of the subject and predicate of a proposition. 换位（法）一个命题中主项和谓项的互换
- Ask students to demonstrate a proof of the Pythagorean Theorem. 让学生演示毕德哥拉斯定理的一种证明。
- This example demonstrates a table with a caption. 这个案例展示了包含标题的表格。
- I had a private audience with the King, and made a proposition. 我私下朝见国王，向他陈言献策。
- A proposition brought up for consideration by an assembly. 提议由一会议提交考虑的建议
