Library / Music and Dance Practice Engineering Principles Framework
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MDPE.14:0.1 - Five Conflict Branches

The five branches below identify different relations.

BranchRelation that must be statedTypical Music-or-Dance use
cross-holonA named part–whole relation connects a movement, phrase, performer, instrument, event part, Method part, or Work part to a named whole.A phrase becomes more spectacular while partner coordination or the whole performance deteriorates.
cross-scaleA declared spatial, temporal, organizational, population, or other scale order connects the compared subjects.A change helps one performance grain while a larger or slower scale result crosses a limit.
simultaneous WorkNamed Work occurrences or Work parts overlap in one bounded interval or situation. Overlap establishes neither parthood nor scale.Phrase Work, partner sensing, floorcraft, audience-facing performance, and event participation compete for attention or space.
slower constraintA teaching, repertoire, judging, platform, event, or institutional arrangement changes more slowly and constrains current Work through a named relation.A judging system or recommender changes which variants performers prepare or present.
representation useA representation preserves some distinctions, hides others, and is used in a named decision.A camera view, score, sensor, metric, or model favours visible or measurable features over partner, listener, or performer use.

One case can use several branches, but each claimed relation needs its own support. Do not infer a cross-scale relation from a vertical drawing, longer duration, page position, coarse-graining operation, or the fact that two activities occur together.

Keep three additional distinctions visible:

  • Method unfolding describes possible first–then or branching Work under a Method; it is not a simultaneous holonic architecture.
  • Coarse-graining suppresses distinctions in a description for a use; it does not create a world-side holon or part–whole relation.
  • Observed difference and causal contribution are different claims. A before/after or side-by-side difference can inform a reversible decision. Claim that a change caused the difference only through C.28 when that causal use matters.

Use Agent for dancers, musicians, teachers, organizers, judges, robots, AI Systems, or acting collectives when their agency is relevant and supported. Use System for bodies, instruments, floors, software, venues, platforms, records, and other participants when agency is not current.