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PART II: FORMAL LOGIC Chapter 8: Predicate Logic 8.1 Symbols and Translation Techniques were dev eloped in earlier chapters for evaluating two basical 阅读全文
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PART II: FORMAL LOGIC Chapter 7: Natural Deduction in Propositional Logic 7.1 Rules of Implication I Natural deduction is a method for establishing th 阅读全文
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PART II: FORMAL LOGIC Chapter 6: Propositional Logic 6.1 Symbols and Translation Earlier chapters showed that the validity of a deductive argument is 阅读全文
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PART II: FORMAL LOGIC Chapter 5: Categorical Syllogisms 5.1 Standard Form, Mood, and Figure In the general sense of the term, a syllogism is a deducti 阅读全文
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PART II: FORMAL LOGIC Chapter 4: Categorical Propositions 4.1 The Components of Categorical Propositions A proposition that relates two classes, or ca 阅读全文
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zzh@ZZHPC:~$ cat a.txt The need for a stipulative definition is often occasioned by some new phenomenon or development. For example, many years ago lio 阅读全文
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PART I: INFORMAL LOGIC Chapter 1: Basic Concepts 1.1 Arguments, Premises, and Conclusions Logic may be defined as the organized body of knowledge, or s 阅读全文