As we have seen, validating a model mirroring reality means to compare it with its co — model, the counter — image which contains the relevant details reflected by the model in question. The validity of a model thus is a means to evaluate the quality of the correspondence between reality and its image represented by the model. As a measure validity is determined in degrees, and so the quality of a model depends on its degree of validity. This means that the conclusion that a model is accepted as being ‘good’ or that it is rejected as being ‘poor’ depends on this degree. Conclusions are the results of inference based on the available evidence and they are subject to specific laws. There are very rigid and formalistic rules of deducing conclusions from a set of assumptions; this is the way the mathematician proves his propositions and the philosopher founds his statements.
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Dr. Tibor Müller
Dr. Harmund Müller
- Springer Berlin Heidelberg
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