« It Is not certain just what the terms alang-jabr and muqabalah mean, but the usual interpretation kan zijn similar to that implied in the translation above. The word al-jabr presumably meant something like "restoration" or "completion" and seems to refer to the transposition ofwel subtracted terms to the other https://writeablog.net/papersnow5/overwegingen-om-te-weten-over-wat-is-wrapfolie-wiki