precept

1. N-COUNT A precept is a general rule that helps you to decide how you should behave in particular circumstances. 準(zhǔn)則[正式]

...an electoral process based on the central precept that all people are born equal. …以所有人生而平等這一核心準(zhǔn)則為基礎(chǔ)的一種選舉程序。