GODEL ESCHER BACH BY DOUGLAS HOFSTADTER PDF

Not even its publishers or readers who just absolutely love it. A quick glance at the back cover will give you the same impression - even the glowing, two-sentence blurbs are hilariously vague, all of them variations on the theme of "Well, that certainly was Yes, quite a wonderful something indeed. Or put less delicately, how are you supposed to know whether reading all dense, sprawling pages is worth your while? The short answer is: "Read this book if you like to think about thinking, as well as to think about thinking about thinking.

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In , he moved to the University of Michigan in Ann Arbor, where he was hired as a professor of psychology and was also appointed to the Walgreen Chair for the Study of Human Understanding. In he returned to Bloomington as "College of Arts and Sciences Professor" in both cognitive science and computer science. He was also appointed adjunct professor of history and philosophy of science, philosophy, comparative literature, and psychology, but has said that his involvement with most of those departments is nominal.

Other more recent models include Phaeaco implemented by Harry Foundalis and SeqSee Abhijit Mahabal , which model high-level perception and analogy-making in the microdomains of Bongard problems and number sequences, respectively, as well as George Francisco Lara-Dammer , which models the processes of perception and discovery in triangle geometry.

He seeks beautiful mathematical patterns, beautiful explanations, beautiful typefaces, beautiful sonic patterns in poetry, etc. Hofstadter invented the term "ambigram" in ; many ambigrammists all over the world have since taken up the concept.

The computational architectures that share these precepts are called "active symbols" architectures. In GEB he draws an analogy between the social organization of a colony of ants and the mind seen as a coherent "colony" of neurons. In particular, Hofstadter claims that our sense of having or being an "I" comes from the abstract pattern he terms a " strange loop ", which is an abstract cousin of such concrete phenomena as audio and video feedback , and which Hofstadter has defined as "a level-crossing feedback loop".

Both in his writing and in his teaching, Hofstadter stresses the concrete, constantly using examples and analogies, and avoids the abstract. Typical of the courses he teaches is his seminar " Group Theory and Galois Theory Visualized", in which abstract mathematical ideas are rendered as concretely as possible.

He puts great effort into making ideas clear and visual, and asserts that when he teaches, if his students do not understand something, it is never their fault but always his own. Hofstadter is passionate about languages. In addition to English, his mother tongue, he speaks French and Italian fluently the language spoken at home with his children is Italian.

At various times in his life, he has studied in descending order of level of fluency reached German, Russian, Spanish, Swedish, Mandarin, Dutch, Polish, and Hindi. He admits that "a large fraction [of his audience] seems to be those who are fascinated by technology", but when it was suggested that his work "has inspired many students to begin careers in computing and artificial intelligence" he replied that he was pleased about that, but that he himself has "no interest in computers".

In his book Metamagical Themas, he says that "in this day and age, how can anyone fascinated by creativity and beauty fail to see in computers the ultimate tool for exploring their essence? Hofstadter was also an invited panelist at the first Singularity Summit , held at Stanford in May Hofstadter expressed doubt about the likelihood of the singularity coming to pass in the foreseeable future. It includes interviews with Hofstadter about his work.

An idea he introduced in one of these columns was the concept of "Reviews of This Book", a book containing nothing but cross-referenced reviews of itself which has an online implementation. They met in Bloomington, and married in Ann Arbor in They had two children, Danny and Monica. In the fall of , Hofstadter met Baofen Lin in a chacha class, and the two were married in Bloomington in September The movie uses the term "H.

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Gödel Escher Bach by Douglas R. Hofstadter

Ad analisi logico-matematiche dal taglio originale e creativo, ma molto rigoroso, si alternano capitoli di dialogo tra due personaggi immaginari, Achille e la tartaruga che con i loro approcci analitici molto immediati introducono al tema di volta in volta in esame, nella ricerca di un filo logico che unisca le idee, le opere e il sentire dei protagonisti del saggio. Discute anche cosa significhi comunicare, di come la conoscenza possa essere rappresentata e conservata, dei metodi e dei limiti della rappresentazione simbolica e anche la nozione fondamentale dello stesso "significato". Struttura[ modifica modifica wikitesto ] GEB ha la forma di un intreccio di varie narrazioni. Hofstadter basa gli altri dialoghi su questo, introducendo a volte nuovi personaggi come il Granchio, il Genio e altri. Temi[ modifica modifica wikitesto ] In GEB sono presenti molti oggetti e idee che parlano o si riferiscono a se stessi si vedano autoreferenza e algoritmo ricorsivo. GEB discute anche delle " pile ", nel dialogo Piccolo labirinto armonico [12] in cui Achille e la tartaruga fanno uso di tonici che si chiamano "push" e "pop".

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Gödel, Escher, Bach: un Eterno y Grácil Bucle

The main chapters alternate with dialogues between imaginary characters, usually Achilles and the tortoise , first used by Zeno of Elea and later by Lewis Carroll in " What the Tortoise Said to Achilles ". These origins are related in the first two dialogues, and later ones introduce new characters such as the Crab. These narratives frequently dip into self-reference and metafiction. Word play also features prominently in the work.

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Douglas Hofstadter

In , he moved to the University of Michigan in Ann Arbor, where he was hired as a professor of psychology and was also appointed to the Walgreen Chair for the Study of Human Understanding. In he returned to Bloomington as "College of Arts and Sciences Professor" in both cognitive science and computer science. He was also appointed adjunct professor of history and philosophy of science, philosophy, comparative literature, and psychology, but has said that his involvement with most of those departments is nominal. Other more recent models include Phaeaco implemented by Harry Foundalis and SeqSee Abhijit Mahabal , which model high-level perception and analogy-making in the microdomains of Bongard problems and number sequences, respectively, as well as George Francisco Lara-Dammer , which models the processes of perception and discovery in triangle geometry. He seeks beautiful mathematical patterns, beautiful explanations, beautiful typefaces, beautiful sonic patterns in poetry, etc. Hofstadter invented the term "ambigram" in ; many ambigrammists all over the world have since taken up the concept. The computational architectures that share these precepts are called "active symbols" architectures.

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