Principlev1
Adjust classification granularity when categories either
Adjust classification granularity when categories either collapse distinctions needed for decisions (over-compression) or preserve distinctions never used for decisions (under-compression).
Why This Is a Principle
Derives from Abstraction Necessarily Discards Information (abstraction discards information) and Directed Attention as Depletable Resource (cognitive resources are finite). Optimal compression preserves exactly the distinctions needed for decisions - more wastes cognitive resources on irrelevant detail, less loses actionable signal.