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date: 19 October 2017

We use models intentionally to simplify complex situations in an attempt to grasp them more clearly and respond more appropriately. Sometimes modelling simplifies by choosing out of many possibilities to focus on one dimension or one set of priorities alone. Sometimes complementary models are used (in physics the wave-particle duality is the classic example) to highlight the utilitarian aspect of using models. A ‘horses for courses’ approach is taken; we choose the model that best fits the questions we wish to ask and the answers we wish to obtain.

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