Introduction to Logic and to the Methodology of the Deductive Sciences

Ön Kapak
Oxford University Press, 6 Oca 1994 - 256 sayfa
Now in its fourth edition, this classic work clearly and concisely introduces the subject of logic and its applications. The first part of the book explains the basic concepts and principles which make up the elements of logic. The author demonstrates that these ideas are found in all branches of mathematics, and that logical laws are constantly applied in mathematical reasoning. The second part of the book shows the applications of logic in mathematical theory building with concrete examples that draw upon the concepts and principles presented in the first section. Numerous exercises and an introduction to the theory of real numbers are also presented. Students, teachers and general readers interested in logic and mathematics will find this book to be an invaluable introduction to the subject.
 

Seçilmiş sayfalar

İçindekiler

On the Use of Variables 1 Constants and variables
3
Expressions containing variables sentential and designatory functions
4
Construction of sentences in which variables occuruniversal and existential sentences
7
Universal and existential quantifiers free and bound variables
8
The importance of variables in mathematics
12
Exercises
13
On the Sentential Calculus 6 Logical constants the old logic and the new logic
17
Sentential calculus the negation of a sentence the conjunc tion and the disjunction of sentences
18
Fundamental laws of the theory of identity
50
Identity of objects and identity of their designations the use of quotation marks
53
Numerical quantifiers
58
On the Theory of Relations
81
Oneone relations or bijective functions and onetoone
96
On the Deductive Method
109
Formalization of definitions and proofs formalized deductive
122
Laws
145

Implications or conditional sentences implications in the material meaning
21
The use of implications in mathematics
26
Equivalence of sentences
29
The formulation of definitions and its rules
30
Laws of sentential calculus
32
The symbolism of sentential calculus compound sentential functions and truth tables
34
An application of laws of sentential calculus in inference
39
Rules of inference complete proofs
42
Exercises
44
On the Theory of Identity 16 Logical concepts outside sentential calculus the concept of identity
49
Other relations among numbers
151
Laws
159
Closed systems of sentences
167
Theorems on subtraction
174
Methodological Considerations on the Constructed
181
Further simplification of the axiom system possible
189
The problem of completeness of the constructed theory
195
Foundations
201
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Sayfa i - Choice sequences: a chapter of intuitionistic mathematics 4. JL Bell: Boolean-valued models and independence proofs in set theory (1st edition) 5. Krister Seberberg: Classical propositional operators: an exercise in the foundation of logic 6.
Sayfa xiii - It arises, perhaps, from the circumstance that, for the purpose of an adequate methodological treatment, an empirical science may have to be considered not merely as a scientific theory - that is, as a system of asserted statements arranged according to certain rules - but rather as a complex consisting partly of such statements and partly of human activities. It should be added that in striking opposition to the high development of the empirical sciences themselves, the methodology of these sciences...
Sayfa xii - And on the methodology of the empirical sciences Tarski has commented: "The knowledge of logic is of course valuable in the study of this methodology, as it is in the case of any other discipline. It must be admitted, however, that logical concepts and methods have not, up to the present, found any specific or fertile applications in this domain.

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