{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Formalization of Set Theory without Variables, Vol. 41","author_name":"Alfred Tarski, Steven Givant","thumbnail_url":"https://www.ebooknetworking.net/books/082/181/big0821810413.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0821810413.html\">A Formalization of Set Theory without Variables, Vol. 41</a>","width":400,"height":300}