defining postulate造句

Even with the defining postulates of both Einstein's theory of general relativity and quantum theory being indisputably supported by rigorous and repeated empirical evidence, and while they do not directly contradict each other theoretically ( at least with regard to their primary claims ), they have proven extremely difficult to incorporate into one consistent, cohesive model.
It's difficult to find defining postulate in a sentence. 用defining postulate造句挺难的