{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Dictionary of Symbols of Mathematical Logic","author_name":"R. Feys, F. B. Fitch","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0720422507.html\">Dictionary of Symbols of Mathematical Logic</a>","width":400,"height":300}