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Gödel, Escher, Bach: An Eternal Golden Braid, also known as GEB, is a 1979 book by Douglas Hofstadter. By exploring common themes in the lives and works of logician Kurt Gödel, artist M. C. Escher, and composer Johann Sebastian Bach, the book expounds concepts fundamental to mathematics, symmetry, and intelligence. Through illustration and analysis, the book discusses how, through self-reference and formal rules, systems can acquire meaning despite being made of "meaningless" elements. It also discusses what it means to communicate, how knowledge can be represented and stored, the methods and limitations of symbolic representation, and even the fundamental notion of "meaning" itself.
In response to confusion over the book's theme, Hofstadter emphasized that Gödel, Escher, Bach is not about the relationships of mathematics, art, and music—but rather about how cognition emerges from hidden neurological mechanisms. One point in the book presents an analogy about how individual neurons in the brain coordinate to create a unified sense of a coherent mind by comparing it to the social organization displayed in a colony of ants.
The tagline "a metaphorical fugue on minds and machines in the spirit of Lewis Carroll" was used by the publisher to describe the book.

By exploring common themes in the lives and works of logician Kurt Gödel, artist M. C. Escher, and composer Johann Sebastian Bach, the book expounds concepts fundamental to mathematics, symmetry, and intelligence.
Μπαμπινιώτης έγραψε:
Τετρακτύς=… 2. (Στην Αρχαία Ελλάδα) Το δεύτερο μέρος των ελευθερίων τεχνών: γεωμετρία, αριθμητική, αστρονομία, αρμονία (=μουσική)


Η Κέις Πόλαρντ είναι σύμβουλος αγοράς, μια "ραβδοσκόπος" του διεθνούς μάρκετινγκ, πανάκριβη και τρομερά διαισθητική. Αναγνωρίζει πρότυπα αγοράς, δηλαδή προτείνει προϊόντα που πιστεύει ότι θα είναι πολύ εμπορεύσιμα. Όταν γίνεται διάρρηξη στο διαμέρισμα που μένει και κάποιος εισβάλει στον υπολογιστή της, συνειδητοποιεί ότι πίσω απ' αυτό κρύβονται πράγματα που δεν φαίνονται με την πρώτη ματιά... Το Διαδικτυακό Φόρουμ σε πλήρη δράση. Η 11η Σεπτέμβρη, οι Αμερικανοί, οι Ρώσοι, οι Κύπριοι, εμπορικές φίρμες, κομπιούτερ-αντίκες, πώς αναγνωρίζονται και επιβάλλονται οι νέες αγοραστικές τάσεις και άλλα σύγχρονα "πολιτισμικά" αγαθά σ' έναν πόλεμο που διεξάγεται μέσα απ' το Διαδίκτυο καταργώντας το χρόνο, τις αποστάσεις, το παρελθόν και το μέλλον. Το πιο σύγχρονο θρίλερ που έχει γραφτεί, ήδη μπεστ σέλερ ανά τον κόσμο και σενάριο αναγγελθείσης ταινίας.




An eye-opening assement of American power and deglobalization in the bestselling tradition of The World is Flat and The Next 100 Years.
Near the end of the Second World War, the United States made a bold strategic gambit that rewired the international system. Empires were abolished and replaced by a global arrangement enforced by the U.S. Navy. With all the world's oceans safe for the first time in history, markets and resources were made available for everyone. Enemies became partners.
We think of this system as normal - it is not. We live in an artificial world on borrowed time.
In The Accidental Superpower, international strategist Peter Zeihan examines how the hard rules of geography are eroding the American commitment to free trade; how much of the planet is aging into a mass retirement that will enervate markets and capital supplies; and how, against all odds, it is the ever-ravenous American economy that - alone among the developed nations - is rapidly approaching energy independence. Combined, these factors are doing nothing less than overturning the global system and ushering in a new (dis)order.
For most, that is a disaster-in-waiting, but not for the Americans. The shale revolution allows Americans to sidestep an increasingly dangerous energy market. Only the United States boasts a youth population large enough to escape the sucking maw of global aging. Most important, geography will matter more than ever in a de-globalizing world, and America's geography is simply sublime.