ভূমিকা
That is to say, there would be groups who, after having completed the general study of fiqh and become experts in it, would specialise in one particular section, and then people would follow them in that particular section.
For example, some would take as their specialisation `ibadat (the rites of Islam), and others mu`amilat (transactions), some siyasat (politics), and other ahkam (criminal law); this is exactly what has been done in medicine where specialised branches have been created, and doctors divided into groups for each speciality, some being heart specialists, some eye specialists, some ear, nose and throat specialists, and others specialists in other branches.
If this were done, each person could study his own branch more thoroughly. I believe that there is a discussion of this matter in the book "alKalam Yajurru lKalam" by the Sayyid Ahmad al-Zanjani.[^44] This recommendation is a very good one, and I will add only that the need to divide fiqh up and to create specialised branches arose a hundred years ago, and in present circumstances the fuqaha of today will impede the forward development of fiqh and stunt its growth unless they heed this recommendation.
The division of the sciences into specialised branches The division of the sciences is the result of their development, but also its cause. For a science gradually progresses until it reaches the point where it is no longer possible for a single person to investigate all the problems it raises. It must then necessarily be divided up into branches of specialisation.
Thus the division of a science and the creation of branches within it is the result and the effect of the development of that science, while, at the same time, more progress is made when these branches are created, and thought can be concentrated on the special problems in each branch.