What does creativity mean here? First of all, creativity has a double meaning.
The leading observational distinction of recent (sociological) systems theory is that of system and environment. The scandalizing power of this (sociologically understood) difference lay in the fact that it could be used to arrange psychological and social operations into a reciprocal system/environment relationship. Theory categorically separated social and psychological systems and then had to (re)develop or import pieces of theory that were able to deal with the unity of the thus separated, for example the pieces of theory of Interpenetration and …