presupposition

US /ˌpriː.sʌp.əˈzɪʃ.ən/
UK /ˌpriː.sʌp.əˈzɪʃ.ən/
"presupposition" picture
1.

预设, 前提

a thing tacitly assumed beforehand at the beginning of a line of argument or course of action

:
The theory is based on the presupposition that all humans are rational.
该理论基于所有人类都是理性的预设
His argument carries the presupposition that we all agree on the definition of success.
他的论点带有我们都同意成功定义的预设