tā / de / tuī lǐ / fàn / le / xún huán lùn zhèng / de / máo bìng / yīn wèi / qián tí / hé / jié lùn / hù xiāng / zhī chí

他的推理犯了循环论证的毛病，因为前提和结论互相支持。

His reasoning commits the fallacy of circular argument because the premise and conclusion support each other.