Library / First Principles Framework (FPF) - Core Conceptual Specification
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E.2.DA:4.4 - Required Pillar coordinates

Pillar coordinateEvaluation questionGood state
P1CognitiveEleganceAdequacyDoes the object expose decisive structure without ornamental formalism?The reader sees the smallest structure that changes the action.
P2DidacticPrimacyAdequacyDoes human comprehension stay ahead of formal, tooling, or review purity?Working situation, recognition reason, first move, and payoff stay visible.
P3ScalableFormalityAdequacyCan formality strengthen as the use requires while preserving meaning and grounds, with an explicit rewrite or branch when meaning changes?Staged strengthening is usable; a semantic change remains identifiable and its affected uses are reconsidered.
P4OpenEndedKernelAdequacyDo kernel concepts stay meta-level while domain knowledge stays in patterns?New content extends FPF without smuggling domain doctrine into the kernel.
P5FPFLayeringAdequacyDo modular pattern layering and neighbour authority stay intact?Patterns can be added, replaced, or removed without shadow authority.
P6LexicalStratificationAdequacyAre Plain, Tech, Formal, and mathematical registers recoverable for the declared use?Decision-governing wording maps to fields named by value, kinds, lenses, or neighbours.
P7PragmaticUtilityAdequacyDo proofs, measures, models, and reviews change real admissible action?The object changes prediction, decision, diagnosis, design, repair, stop, or assignment.
P8CrossScaleConsistencyAdequacyDo composition, aggregation, boundary, emergence, and method-side relation structures stay consistent across scales?Cross-scale claims name preserved structure, lost structure, lens or algebraic representation, and boundary.
P9StateExplicitnessAdequacyAre the states, transitions, currentness, editions and qualification windows that affect the declared use explicit?Readers can identify the usable version and state, the conditions that change them, and relevant transition cost and risk.
P10OpenEndedEvolutionAdequacyCan justified improvement, revision, replacement or branching continue at acceptable cost and risk, while retention, stopping and retirement remain available?The selected continuation or stop has a practical reason and a reopen condition; a completed Work occurrence is distinguished from a later Method, object version or Work.
P11SoTAAlignmentAdequacyDoes current knowledge discipline the object without citation theatre?Current sources change moves, boundaries, examples, checks, or stop rules.