presupposition
/ˌpriːsʌpəˈzɪʃən/noun
1- a thing tacitly assumed beforehand at the beginning of a line of argument or course of action先决条件; 预先假定的事; 预测之事：
images that challenge presuppositions about feminine handiwork.
难以预料到的妇女手工活的（精巧）形象。
1.1
- mass noun the action or state of presupposing or being presupposed预想, 预先假定, 预先推测。
词源
mid 16th cent.: from medieval Latin praesuppositio（n-）, from the verb praesupponere （see PRESUPPOSE）.