_:n2a197f09b9c1437b925a50a4413f497dxb3
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://query.libretexts.org/Sandboxes/jupyterteam_at_ucdavis.edu/Kernels_for_testing_CKEditor-Binder-Plugin/SageMath_kernel>