The Inquiring About Jingxia's Logic Theory

Mohist Cannon was the most early proposed the system logic scientific theory work during our country ancient times. By concentrated, the concise writing extremely, recounted the ancient times science and the logic content, has extremely academic value. Mohist Cannon is fastidious by "yi ming ju shi, yi ci shu yi, yi shuo chu gu ". The expression structure of "Jing xia", "Jing shuo xia" is the using of the form of" yi shuo chu gu". It is generally lists a proposition first in "Jing xia", then sections out the proposition concisely the reason that the establishment reason, by the form of "said about……".And further launches in "Jing shuo xia"."Jing xia" used the words of "said about" to lists the instance which has the general truth, similar, constitute the way of argumentation of deduction, induction and analogy, with thesis. In order to research the contents of "Jing xia", may cause our understanding of the Mohist school logic theory to be more thorough.Firstly, there have 45 items "said about" indicated the logic content.Secondly, the 45 items "said about" including the inference rules, set and element, "ming" and "shi", logical rule, modal proposition.Thirdly, there have 34 items "said about" in "Jing xia", the dissertation form is the syllogism of the major premise has omitted. There have 8 items "said about", the behind example is to front argument explaining with examples.At last, there have the Mohist school logic unique inference form in "Jing xia". In which includes five kind of inference form of "zhi, jia, zhuo, dengci, xiao".The logical theory which "Jing xia" exists, is played the extremely vital role to the Mohist school logic development and the dissemination. To inspecting the logic theory of "Jing xia" has also proved that it is very greatly and prosperously about Chinese classical logical thought.