<https://wineozay.com/2022/07/08/comment-se-defaire-sans-motif-dune-promesse-6/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://wineozay.com/2022/07/08/comment-se-defaire-sans-motif-dune-promesse-6/>