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B.5.FM:3 - Forces
| Force | Consequence for construction |
|---|
| A question selects what matters; a model can reveal that the question needs changing. | Keep the receiving use visible while allowing the construction to expose a better question. |
| Familiar concepts provide useful relations; the situation may need a new combination. | Reuse what works and explain the connections introduced between contributions. |
| A detailed description can be expensive to build and difficult to reason with. | Add a distinction because its omission changes a needed consequence. |
| A cheap consequence can guide action before the model is fully developed. | State what supports that consequence and which unresolved choices matter to its use. |
| Different representations expose different operations. | Choose or change the expression while constructing the inference. |