By Jean Boulton.

What are the underpinning necessities or conditions—the essential ingredients—that lead to and engender the qualities or characteristics of the complex world, especially its processual and emergent nature?
Three conditions for complexity: the essential ingredients
A watch or intricate machine is not complex. Nor is a saucer of water. So, when do we regard something as complex? What are the necessary conditions for complexity fully to be realised?
These are:
- open boundaries
- diversity
- reflexive inter-relationships among constituents.
Let’s look at each of these in more detail.









