existence and uniqueness theorem

• 存在唯一性

existence and uniqueness theorem的用法和样例：

例句

1. Under some relatively strong assumptions, I achieve the Existence and Uniqueness Theorem, Comparison Theorem, Convexity Theorem.
   并且在效用函数满足比较强的条件下，得到了定价系统解的存在唯一性定理，比较定理，凸性定理。