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Table 1 Types of emergence identified by Fromm (Fromm 2005 ; complex adaptive systems wiki 2013 )

From: Agent-based modeling and simulation of emergent behavior in air transportation

Type of emergence

Name

Type of feedback

Predictability

Type I

Nominal or Simple Emergence

No Feedback

Predictable

Type II

Weak Emergence

Top-down feedback

Predictable in principle

Type III

Multiple Emergence

Multiple feedback loops

Not Predictable (Chaotic)

Type IV

Strong Emergence

Multiple feedback loops

Not Predictable, even in principle