{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Kolmogorov, Heyting and Gentzen on the intuitionistic logical constants *.: An article from: Crítica","author_name":"Gustavo Fernandez Diez","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0008JDCBC.html\">Kolmogorov, Heyting and Gentzen on the intuitionistic logical constants *.: An article from: Crítica</a>","width":400,"height":300}