theorem reason-ing的用法和樣例：
例句
- Completely automated theorem provers, such as model checkers, operate on an abstraction of the problem.
象模型檢查程序這種完全自動化的定理證明程序是在問題的一個抽象上操作。 - Sometimes the abstraction itself may be so large that the theorem prover may take an inordinate amount of time and resources to complete the proof.
有時抽象本身可能是很大的工作量，以致定理證明程序可能花費過多時間和資源來完成證明。
