摘要
德萨格定理及其逆定理是证明"点共线"和"线共点"问题实用性很强的理论工具,讨论了在"点共线"和"线共点"问题中应用德萨格定理及其逆定理的基本方法与思想。
Desargues theorem and its converse therom are practical theoretical tools to prove the collinear points and concurrent lines.this paper discuss the application of Desargues theorem and its converse therom in proving collinear points and concur -rent lines problems.
出处
《湖北师范学院学报(自然科学版)》
2014年第1期111-114,共4页
Journal of Hubei Normal University(Natural Science)
关键词
德萨格定理
点共线
线共点
无穷远元素
desargues theorem
collinear points
concurrent lines
infinite element