axiomatic
adjective formal uk/ˌæk.si.əˈmæt.ɪk/ us/ˌæk.si.əˈmæt̬.ɪk/
成为公理的;不需证明的，不言自明的
obviously true and therefore not needing to be proved
It is an axiomatic fact that governments rise and fall on the state of the economy. 经济状况决定政府的兴衰成败，这是不言自明的事实。
It seems axiomatic that everyone would benefit from a better scientific education. 更好的科学教育会使每个人受益，这似乎是不言自明的。
Synonym: self-evident