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Library / First Principles Framework (FPF) - Core Conceptual Specification
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B.1.1:0 - Use This When

Use this pattern when an aggregation, architecture, assurance, or construction claim depends on how candidate parts, members, phases, portions, or external relations depend on each other.

Typical moments:

  • a dependency diagram is used to justify a whole-level claim;
  • a graph mixes parthood, mapping, order, time, resource, and boundary-crossing relations;
  • a project needs to know whether a relation is part-whole, dependence, representation, influence, source use, publication use, or evidence relation;
  • a selected dependency structure will be expressed with a graph, table, matrix, or another mathematical or representation lens.

First useful move. Name the dependency relation under concern before choosing graph notation. Then decide whether it is part-whole, boundary crossing, order, temporal phase, resource, representation, evidence, publication use, source use, or another direct relation defined or tested by the applicable pattern.

What goes wrong if missed. A graph becomes the ontology; an edge named “depends on” carries many relation kinds at once; external influence becomes parthood; order and time are encoded as structure; and mathematical checks look precise while the relation being checked remains unclear.

What this buys. B.1.1 lets dependency material bear on B.1 aggregation without letting graph notation decide relation kinds.

Not this pattern when.

  • If the current relation word is a mereology question, use A.14.
  • If the current part-whole claim needs constructional grounding, use C.13.
  • If the current object is architecture selected structure, use A.22 and C.30.
  • If the current expression is mathematical-lens choice, use C.29.
  • If the current question is performed work, use A.15.1.