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Logic is divided into formal logic, dialectical logic, mathematical logic, etc., and if you want to study it on your own for interest, it is recommended to start with formal logic. The study of "Formal Logic" begins with concepts, which are the cells of thinking and the basis for judgment and reasoning. Judgment (proposition) is the most important content, judgment (proposition) is clear, reasoning is only used.
You can refer to:
Formal Logic (Fourth Edition), published by East China Normal University Press, and compiled by the Department of Logic, Department of Philosophy, East China Normal University. You can also refer to the textbook "Formal Logic" of the National Higher Normal College, published by Central China Normal University Press and edited by Cai Xianhao.
These two textbooks are relatively simple and easy to learn on your own.
If you want to study more deeply, it is recommended that you refer to:
Ordinary Logic (Revised Edition), Shanghai People's Publishing House, compiled by the Writing Group of "Ordinary Logic".
This was written by logic experts from more than a dozen colleges and universities organized by the Ministry of Education.
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Formal logic written by Jin Yuelin.
Personally, this is the best.
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1. Jin Yuelin, Logic, Joint Publishing Co., Ltd., 1937 edition.
2. Jin Yuelin, Editor-in-Chief, Formal Logic, People's Publishing House, 1979.
3. Zhu Zhikai, Editor-in-Chief, Logic and Method, People's Publishing House, 1995.
4. Zhu Zhikai, Editor-in-Chief, New Logic Course, Fudan University Press, 1989.
5. Zhuge Yintong et al., Principles of Formal Logic, China Social Sciences Press, 1982.
6. Ordinary Logic, Writing Group, Ordinary Logic (Revised Edition), Shanghai People's Publishing House, 1982.
7. Ordinary Logic (Revised Edition), Shanghai People's Publishing House, 1993.
8. Qi Jiafu and Li Zongxiang, eds., New Edition of General Logic, Chinese People's Public Security University Press, 2002 edition.
9. Chen Bo, Introduction to Logic, Chinese University Press, 2003.
Logic Reference Books Reference books related to the daily application of logic.
1. Zhou Liquan, editor-in-chief, "Logic: The Theory of Correct Thinking and Effective Communication", People's Publishing House, 1994.
2. Su Yue, editor-in-chief, Multi-perspective Series of Logic Applications (10 volumes), Beijing Normal University Press, 1990.
3. Tian Yun, Wisdom and Thinking, Aerospace Publishing House, 1989.
4. Zheng Weihong, Ni Zhengmao, "Collection of Logical Reasoning", Guangming ** Publishing House, 1985 edition.
5. Zheng Weihong, The Vine of Wisdom - Interesting Logic, Shanghai People's Publishing House, 1997.
6. Chen Zongming, Editor-in-Chief, Introduction to Chinese Logic, People's Publishing House, 1993.
7. Zhou Binwu and Zhang Guoliang, eds., Language and Modern Logic, Fudan University Press, 1996.
8. Zheng Weihong, "Logic and Wisdom: New Edition", Peking University Press, 2005.
9. Tan Darong, Jokes, Humor and Logic, Peking University Press, 2005.
10. Bai Bo Pan Tianqun, Game Game, Game Survival, Harbin Publishing House, 2005.
11. Pan Tianqun, Game Thinking, Peking University Press, 2005.
12. Zhang Weiying, Game Theory and Information Economics, Shanghai People's Publishing House, 1996.
13. Gu Zhenxiang, "Argumentation and Analysis: Application of Logic", People's Publishing House, 2000.
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Problem solving: According to the known conditions given: "Only one of the four people tells the truth", then it means that the other three people are lying.
1. Assuming that A's words are true, then the flower pot is broken by C, and it can be deduced that C is telling a lie, B is telling the truth, and D is telling a lie. If A is telling the truth, then there are two truth-tellers:
A and B, this does not match the known conditions given in the title, so A's words must be false.
2. If it is inferred from the previous step that A has spoken a lie, then C's words ("what A says is not the truth" is equivalent to saying "what C did not do") must be true, because A's words and C's words are contradictory, and cannot be the same as false, but must be true. Therefore C is telling the truth. Flower pots are not broken.
3. If it is known that C's words are true, and by using the method of elimination, it can be seen that B's and D's words are also false. That is, Ding's statement that "it was beaten by A" is false, and the flower pot is not broken by A; B's statement that "I didn't hit it" is false, and the pot was broken by B.
Fourth, now that you know that the flower pot was broken by B, you can use this fact to verify the words of the four people in turn.
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Hello, glad to answer for you :
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