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Theoretically speaking, all the members (series as well as families) iu the 

 dynamic system should be mentioned repeatedly i. e. as many times as the 

 number of series or families respectively. But, for practical purposes, the 

 system may, as mentioned above, be simplified by arranging only those series 

 or families whose relations to the middle members are so far known to us, 

 and by adding thereto a few short lines symbolizing or representing as many 

 series or families, other than those laterally arranged and the middle member. 

 To make what we present to our readers as a dynamic system as compre- 

 hensible as passible, it may conveniently be formed of foiu 1 parts, namely : 

 the participation theory upon which the system is grounded, the system itself, 

 the explanation of the latter, and finally the index to the members of the 

 system. Now, on the side of the reader, in order to understand thoroughly 

 the dynamic system thus presented, they should, first of all, master the 

 participation theory, then proceed to study the system itself, then look at the 

 explanation of the latter, and finally go to the index, especially when they 

 have sometlung in mind, the natural position of wliich they wish to find in 

 the system. These four parts are, however, in final anatysis resolvable to 

 oneness, each being in itself the theory, each in itself the system, and so 

 on. I have described the participation theory above ; so I shall now give 

 the system and then the explanation and the index, in the following pages. 



