3 sentences

1. 你的论证确实很有说服力。

   nǐ de lùn​zhèng què​shí hěn yǒu shuō​fú​lì.

   You've certainly made a compelling argument.

   Source: OpenSubtitles

2. 这篇论文的论证逻辑十分严密。

   zhè piān lùn​wén de lùn​zhèng luó​ji shí​fēn yán​mì.

   The logic of the arguments in this paper is very rigorous.

   Source: Dong Chinese Dictionary

3. 专家们正在论证这个方案的可行性。

   zhuān​jiā men zhèng​zài lùn​zhèng zhè​gè fāng'àn de kě​xíng​xìng.

   Experts are demonstrating the feasibility of this proposal.

   Source: Dong Chinese Dictionary