• The theory should provide an open-ended set of abstraction methods (e.g., aggregation and omission) and characterize their applicability. The theory should characterize, and provide a means to estimate, the simulational complexity of a model (typically, abstractions are intended to reduce such complexity).

ENCOMPASSING THEORIES

The theory should provide the elements of manipulation for more encompassing theories such as those of systems engineering, design, and management. 2

2  

For additional reading, see Praehofer (1991), Zeigler (1976), Pichler and Schwartzel (1992) and Zeigler et al. (1993).



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