https://www.researchgate.net/publication/225863384_The_Viable_System_Model Fig. 2 Law of Requisite Variety suggests that the variety of responses displayed by the organisation should at least equal that emerging from its environment, and the variety of responses of management should at least equal that of the organisation Variety Env >> Variety System 1 >> Variety Managment System Fig. 3 CSF (critical success factors) 7 >> 3 >> 1 this means the agents (transducer, attenuator) of system 1 in the environment absorb 4 CSF 7-4=3 system 1 absorbs 2 CSF 3-2=1 management (2-5) handles 1 CSF to become a leaner system 1 7 >> 2 >> 1 this means the agents (transducer, attenuator) of system 1 in the environment absorb 5 CSF 7-5=2 leaner system 1 absorbs 1 CSF 2-1=1 management (2-5) handles 1 CSF