The conjunction "and" joins it to a deleted clause; it was deleted to imply that human understanding cannot comprehend all of its aspects, it may know only a few features of it.
Profesa mmoja wa Kimisri, alitoa nadharia iliyotegemezwa juu ya namba kumi na tisa (19) na katika hii aligundua kwamba inawezekana kabisa kwamba Qur an Tukufu yote imetegemezwa juu ya mfuno wa kimahesabu, na kwamba sehemu zake chache zimetengenezwa juu ya namba kumi na tisa (19).