{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Metalogic: An introduction to the metatheory of standard first order logic","author_name":"Geoffrey Hunter","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0520018222.html\">Metalogic: An introduction to the metatheory of standard first order logic</a>","width":400,"height":300}