achieves the set goals, the system is maintained. Yet conforming to Luhmann 's theorem on double contingency, whether the system is established depends priorly on the reactions of the participants, and the "self-interest" after ward. Rather than caring about oneself 's welfare, Luhmann shows his positive attitude toward this matter, that one should consider the colleague 's response and act correspondingly during their communication.
The next question arises around the solution for the problem of double contingency. As mentioned above, when the social system emerges, the communication and double contingency continues and reproduces, and the mechanism allows it is called "self-referential". Luhmann defined this term via an example "A is determined by B and B by A" or "I will do what you want if you do what I want" or even more tensely, "I do not allow myself to be determined by you, if you do not allow yourself to be determined by me", so called the "self-conditioning indeterminacy". Luhmann described the communication between ego and alter with the presence of alter ego, the intermediate character "If an ego experiences an alter as alter ego and acts in this experiential context, every determination that ego gives to his action refers back to itself". He also elevated the notion of self-reference from the "elemental" to "social" scope, which is synonymous with widening the social systems from scattered to public dimension, "Elemental self-reference is a constitutional