数理逻辑

内容概要

作者：(德国)艾宾浩斯(Ebbinghaus H.D.)

书籍目录

Preface

PART A

ⅠIntroduction

1.An Example from Group Theory

2.An Example from the Theory of Equivalence Relations

3.A Preliminary Analysis

4.Preview

Ⅱ Syntax of First-Order Languages

1.Alphabets

2.The Alphabet of a First-Order Language

3.Terms and Formulas in First-Order Languages

4.Induction in the Calculus of Terms and in the Calculus of Formulas

5.Free Variables and Sentences

Ⅲ Semantics of First-Order Languages

1.Structures and Interpretations

2.Standardization of Connectives

3.The Satisfaction Relation

4.The Consequence Relation

5.Two Lemmas on the Satisfaction Relation

6.Some simple formalizations

7.Some remarks on Formalizability

8.Substitution

Ⅳ A Sequent Calculus

1．Sequent Rules

2．Structural Rules and Connective Rules

3．Derivable Connective Rules

4．Quantifier and Equality Rules

5．Further Derivable Rules and Sequents

6．Summary and Example

7．Consistency

ⅤThe Completeness Theorem

1．Henkin’S Theorem．

2． Satisfiability of Consistent Sets of Formulas（the Countable Casel

3． Satisfiability of Consistent Sets of Formulas（the General Case）

4．The Completeness Theorem

Ⅵ The LSwenheim-Skolem and the Compactness Theorem

1．The L6wenheim-Skolem Theorem．

2．The Compactness Theorem

3．Elementary Classes

4．Elementarily Equivalent Structures

Ⅶ The Scope of First-Order Logic

1．The Notion of Formal Proof

2．Mathematics Within the Framework of Fimt—Order Logic

3．The Zermelo-Fraenkel Axioms for Set Theory．

4．Set Theory as a Basis for Mathematics

Ⅷ Syntactic Interpretations and Normal Forms

1．Term-Reduced Formulas and Relational Symbol Sets

2．Syntactic Interpretations

3．Extensions by Definitions

4．Normal Forms

PART B

Ⅸ Extensions of First-order logic

Ⅹ Limitations of the Formal Method

Ⅺ Free Models and Logic Programming

Ⅻ An Algebraic Characterization of Elementary Equivalence

ⅩⅢ Lindstrom’s Theorems

References

Symbol Index

Subject Index

编辑推荐

《数理逻辑(第2版)》由世界图书出版公司出版。A short digression into model theory will help us to analyze the expressive power of the first-order language， and it will turn out that there are certain deficiencies. For example， the first-order language does not allow the formulation of an adequate axiom system for arithmetic or analysis. On the other hand， this di~~culty can be overcome——-even in the framework of first-order logic——by developing mathematics in set-theoretic terms. We explain the prerequisites from set theory necessary for this purpose and then treat the subtle relation between logic and set theory in a thorough manner.Godel‘s incompleteness theorems are presented in connection with several related results （such as Trahtenbrot’s theorem） which all exemplify the limitatious of machine-oriented proof methods. The notions of computability theory that are relevant to this discussion are given in detail.

作者简介

《数理逻辑(第2版)》主要内容：What is a mathematical proof？ How can proofs be justified？ Are there limitations to provability？ To what extent can machines carry out mathematical proofs？Only in this century has there been success in obtaining substantial and satisfactory answers. The present book contains a systematic discussion of these results. The investigations are centered around first-order logic. Our first goal is' Godel's completeness theorem， which shows that the consequence relation coincides with formal provability： By means of a calculus consisting of simple formal inference rules， one can obtain all consequences of a given axiom system (and in particular， imitate all mathematical proofs)

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