论文标题
关于蝴蝶定理的概括
On Generalizations of the Butterfly Theorem
论文作者
论文摘要
本文根据desargues涉及定理，对蝴蝶定理的不同扩展和概括提供了统一的解释。
This paper provides a uniform explanation of different extensions and generalizations of the butterfly theorem based on the Desargues involution theorem.
