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Titlebook: Logic and Structure; Dirk Dalen Textbook 19832nd edition Springer-Verlag Berlin Heidelberg 1983 Goedel‘s theorem.basic model theory.comput

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发表于 2025-3-21 18:00:18 | 显示全部楼层 |阅读模式
书目名称Logic and Structure
编辑Dirk Dalen
视频video
丛书名称Universitext
图书封面Titlebook: Logic and Structure;  Dirk Dalen Textbook 19832nd edition Springer-Verlag Berlin Heidelberg 1983 Goedel‘s theorem.basic model theory.comput
描述Logic appears in a ‘sacred‘ and in a ‘profane‘ form. The sacred form is dominant in proof theory, the profane form in model theory. The phenomenon is not unfamiliar, one observes this dichotomy also in other areas, e.g. set theory and recursion theory. For one reason or another, such as the discovery of the set theoretical paradoxes (Cantor, Russell), or the definability paradoxes (Richard, Berry), a subject is treated for some time with the utmost awe and diffidence. As a rule, however, sooner or later people start to treat the matter in a more free and easy way. Being raised in the ‘sacred‘ tradition, I was greatly surprised (and some­ what shocked) when I observed Hartley Rogers teaching recursion theory to mathema­ ticians as if it were just an ordinary course in, say, linear algebra or algebraic topology. In the course of time I have come to accept his viewpoint as the didac­ tically sound one: before going into esoteric niceties one should develop a certain feeling for the subject and obtain a reasonable amount of plain working knowledge. For this reason I have adopted the profane attitude in this introductory text, reserving the more sacred approach for advanced courses. Rea
出版日期Textbook 19832nd edition
关键词Goedel‘s theorem; basic model theory; computability theory; first-order logic with natural deduction; in
版次2
doihttps://doi.org/10.1007/978-3-662-02382-2
isbn_ebook978-3-662-02382-2Series ISSN 0172-5939 Series E-ISSN 2191-6675
issn_series 0172-5939
copyrightSpringer-Verlag Berlin Heidelberg 1983
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发表于 2025-3-21 23:16:37 | 显示全部楼层
Propositional Logic,is. According to some traditional views reasoning consists of the building of chains of linguistic entities by means of a certain relation ‘... follows from ....’, a view which is good enough for our present purpose. The linguistic entities occurring in this kind of reasoning are taken to be ., i.e.
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Predicate Logic,age is patently insufficient for mathematical practice. A simple argument, such as “all squares are positive, 9 is a square, therefore 9 is positive” cannot be dealt with. From the propositional point of view the above sentence is of the form φ ∧ Ψ → σ, and there is no reason why this sentence shoul
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Second-Order Logic,l elements a of ∣ .∣ ...” and “there exists an element a of ∣.∣ ...”. We will now allow a second kind of variable ranging over subsets of the universe and its cartesian products, i.e. relations over the universe.
发表于 2025-3-22 13:11:28 | 显示全部楼层
Intuitionistic Logic,rses can be surveyed in their totality. In particular can we in a global manner determine if ? ⊨ ∃x φ(x) holds, or not. To adapt Hermann Weyl’s phrasing: we are used to think of infinite sets not merely as defined by a property, but as a set whose elements are so to speak spread out in front of us s
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Second-Order Logic,l elements a of ∣ .∣ ...” and “there exists an element a of ∣.∣ ...”. We will now allow a second kind of variable ranging over subsets of the universe and its cartesian products, i.e. relations over the universe.
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