1705187635
1705187636
这些议论若要施以检查,须将省略的补足,成一完全的三段论式如下:
1705187637
1705187638
(1)失其民者失天下,
1705187639
1705187640
桀纣失其民者也,
1705187641
1705187642
1705187643
1705187644
1705187645
1705187646
故桀纣失天下也。
1705187647
1705187648
1705187649
1705187650
1705187651
1705187652
(2)天子不能以天下与人,
1705187653
1705187654
尧为天子,
1705187655
1705187656
1705187657
1705187658
1705187659
1705187660
故尧不能以天下与人(舜)。
1705187661
1705187662
1705187663
1705187664
1705187665
1705187666
(3)不用功的学生都要落第,
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1705187668
他是不用功的学生,
1705187669
1705187670
1705187671
1705187672
1705187673
1705187674
故他要落第。
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1705187676
1705187677
1705187678
1705187679
1705187680
演绎法的议论,全以两前提做基础,所以如前提中有一不稳固,全论就不免谬误。如前例第三个论式:
1705187681
1705187682
不用功的学生都要落第,
1705187683
1705187684
他是不用功的学生,
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