« It Kan zijn not certain just what the terms al-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 of subtracted terms to the http://polimentosroberto.com.br/index.php?option=com_k2&view=itemlist&task=user&id=5679354