例句與造句

1. These hypotheses, i contend, must be refutable in principle .
   我認為這些假說在原則上必須是可以反駁的。
2. In short , a useful thoery is one that is refutable by facts but so far repeatedly confirmed by evidence
   一句話，強的理論便是一個可能被事實推翻，但至今仍不斷被事實確認的理論。
3. For any formal theory in which basic arithmetical facts are provable , it is possible to construct an arithmetical statement which , if the theory is consistent , is true but not provable or refutable in the theory
   對任何基本算術(shù)事實是可證明的形式理論來說，如果該理論是一致的，那么就可以構(gòu)造一個算術(shù)陳述，它是正確的，但無法使用該理論證明或推翻。
4. It's difficult to find refutable in a sentence. 用refutable造句挺難的