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The application of the principal of duality in elementary plane geometry
Author(s): 
Pages: 14-19
Year: Issue:  2
Journal: JOURNAL OF YUNAN NORMAL UNIVERSITY(NATURAL SCIENCES EDITION)

Keyword:  对偶原理对合仿射几何抛物几何;
Abstract: 初等平面几何中的一个定理可以一般化为射影平面几何的一个定理,而这一定理的对偶定理可以特殊化为初等平面几何中的一个新定理.文章举了6个例子说明这一般化与特殊化的过程.
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