The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login
|
Sign Up
|
Oriprobe Inc.
|
Feed
Home
Journals
Order
TOC Alerts
Subscription
Products & Services
Pricing
FAQ
About
Journal Articles
Laws/Policies/Regulations
Companies/Products
Title, abstract, keywords:
Combined Search
Advanced Search
Pay per View through On Demand Search
Package:
ALL
Astro-Earth Science
Agriculture
Physics
Mathematics
Arts & Humanities
Medline Collection
Health/Medicine/Biology
Chemistry/Chemical Engineering
English Journals
Traditional Chinese Medicine
NPC CPPCC Journals
Author:
Journal / Book Title:
Year:
Volume:
Issue:
jie zhu yuan gui gou zao fan li
Author(s):
HAN Shuhong
Pages:
43
-
44
Year:
2012
Issue:
4
Journal:
ZHONGXUE SHUXUE ZAZHI(CHUZHONG BAN)
Keyword:
反例
;
构造
;
圆规
;
假命题
;
几何命题
;
真命题
;
数学
;
Abstract:
数学中真命题的正确性可以由条件通过推理来加以证实,而假命题的证明只需举一个反例即可.尤其是几何命题,举一个反例,胜过千言万语.但有些假命题的反例难以构造,本文通过实例,介绍借助圆规构造常见假命题反例的方法,供读者参考.
Citations
No citation found
Related Articles
No related articles found