{"product_id":"definability-and-computability-yuri-l-ershov-9780306110399","title":"Definability and Computability","description":"In this book, Yurii L. Ershov posits the view that computability-in the broadest sense-can be regarded as the Sigma-definability in the suitable sets. He presents a new approach to providing the G del incompleteness theorem based on systematic use of the formulas with the restricted quantifiers. The volume also includes a novel exposition on the foundations of the theory of admissible sets with urelements, using the Gandy theorem throughout the theory's development. Other topics discussed are forcing, Sigma-definability, dynamic logic, and Sigma-predicates of finite types.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Yuri L. Ershov\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 0306110393\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9780306110399\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Springer\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 04\/30\/1996\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 264\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Hardcover\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 1.19lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.10h x 6.92w x 0.86d","brand":"Yuri L. Ershov","offers":[{"title":"Hardcover","offer_id":44311015653631,"sku":"9780306110399","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_a2f13717-877f-4251-9a3c-2ff06fea4dbf.jpg?v=1695720650","url":"https:\/\/www.whiterainbookhouse.com\/products\/definability-and-computability-yuri-l-ershov-9780306110399","provider":"WR Book House","version":"1.0","type":"link"}