« It Is not certain just what the terms alang-jabr and muqabalah mean, but the usual interpretation is similar to that implied in the translation above. The word alang-jabr presumably meant something like "restoration" or "completion" and seems to refer to the transposition ofwel subtracted terms to the other side https://sparktv.net/post/277805_https-foliemolie-nl-https-foliemolie-nl-een-ieder-mag-zelf-bestaan-keuken-wrappe.html