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MDPE.16:2 - Forces
| Force | Tension to preserve |
|---|
| Current usefulness and later option value | An alternative with weak current performance may be a useful contrast, source branch, training aid, or input to a future combination. |
| Diversity and bounded attention | Too little variety traps development; too much untyped variety prevents action. |
| Shared question and unlike bearers | Alternatives answer one question, while their materials, Methods, capabilities, arrangements, and performers retain different kinds. |
| Exploration and reliable current Work | Practice needs distant and niche trials while performances, classes, and events still have to work. |
| Retention and supported removal | Keeping every branch is costly; removing one can erase source return, minority practice, or future reachability. |
| Representation and embodied use | A score, video, notation, geometry, embedding, or model output preserves some distinctions and hides others. |
| Project decisions and cultural evolution | A project can govern its trials and maintained set; distributed cultural selection and retention are different relations. |