1
- a statement or assertion that expresses a judgement or opinion（表达判断或意见的）陈述, 主张; 论点：
the proposition that high taxation is undesirable.
关于高税率不可取的主张。
1.1
- Logic a statement that expresses a concept that can be true or false【逻】命题。
1.2
- Mathematics a formal statement of a theorem or problem, typically including the demonstration【数】命题。
2
- a suggested scheme or plan of action, especially in a business context（尤指商务活动的）提议, 建议, 提案：
he put a detailed investment proposition to me.
他向我提交一份详细的投资提案。
2.1
- US a constitutional proposal; a bill〈美〉（有关宪法的）提案; 议案。
2.2
- informal an offer of sexual intercourse made to a person with whom one is not sexually involved, especially one that is made in an unsubtle or offensive way〈非正式〉（尤指以猥亵无礼方式提出的）性要求; 求欢。
3
- with adj. a project, task, or idea considered in terms of its likely success or difficulty, especially in a commercial context（尤指商业中）可能成功（或有困难）的计划（或任务, 想法）：
a paper that has lost half its readers is unlikely to be an attractive proposition.
已经失去一半读者的报纸不可能是有吸引力的计划项目。
3.1
- a person considered in terms of the likely success or difficulty of one's dealings with them（交往时可能成功或遇到困难的）人, 家伙：
Brian's a far better bloke as a long-term proposition.
从长远交往来看, 布赖恩可能是个好得多的人。
with obj.
1- informal make a suggestion of sexual intercourse to (someone with whom one is not sexually involved), especially in an unsubtle or offensive way〈非正式〉（尤指以猥亵无礼的方式）向…提出性要求; 求欢：
she had been propositioned at the party by a subeditor with bad breath.
晚会上一个口臭的小编辑向她提出非分的要求。
1.1
- make an offer or suggestion to (someone)向（某人）提议：
I was propositioned by the editor about becoming film critic of the paper.
编辑提议我担当该报的电影评论员。
派生词
propositional
adjective （chiefly Logic【主逻】）词源
Middle English: from Old French，from Latin propositio（n-），from the verb proponere （see PROPOUND）. The verb dates from the 1920s.