{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Principles of Mathematics Revisited","author_name":"Jaakko Hintikka","thumbnail_url":"https://www.ebooknetworking.net/books/052/162/big0521624983.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521624983.html\">The Principles of Mathematics Revisited</a>","width":400,"height":300}