active draft. a technical sketch. general, before special —alignment, before distraction

  1. Common measure: a measure common to to all principals in a set, or between some principles across different sets
  2. A common measure relates and aligns
  3. For any scope of principals, the set of common measures <= set of all measures
  4. Where a scope of principals includes common measure: common measures reflect the general case for the scope; relative uncommon measures imply special case