_:n435d59779ab74cb1bcd5bc845ffd99aaxb3
<http://schema.org/position>
"3"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://shop.prociechi.it/prodotto/tavole-dimostrative-del-i-e-ii-teorema-di-euclide/?add-to-cart=119>