第二章 推理与证实,2.1合情推理与演绎推理,2.1.2演绎推理,1/42,2/42,某个特殊情况下,普通到特殊,3/42,已知普通原理,所研究特殊情况,4/42,5/42,6/42,7/42,8/42,9/42,演绎推理与三段论,10/42,11/42,12/42,13/42,14/42,15/42,16/42,17/42,18/42,19/42,用三段论证实几何问题,20/42,21/42,22/42,23/42,24/42,用三段论证实代数问题,25/42,26/42,27/42,28/42,29/42,30/42,31/42,32/42,33/42,34/42,35/42,36/42,37/42,38/42,39/42,40/42,41/42,谢谢观看,42/42,