Complex sentence: He then ended the algebra of procedures (al-Jabr and Muqabala), creating the first symbolic algebra and claiming that with it, all problems could be solved ("nullum non problema solvere").
Split into simpler sentences: He then ended the algebra of procedures (al-Jabr and Muqabala), creating the first symbolic algebra. In doing so, he did not hesitate to say that with this new algebra, all problems could be solved ("nullum non problema solvere").