Library / First Principles Framework (FPF) - Core Conceptual Specification
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Source changed 2026-10-03 08:01:07 UTC · snapshot created 2026-10-03 08:04:31 UTC · last check 2026-10-03 08:05:10 UTC

A.2:9 - Common Anti-Patterns

Anti-patternWhy it failsRepair
PumpAsCoolingCirculator as a new system subtypeOne contribution is mistaken for system identity.Keep the pump kind stable; use a local CoolingCirculatorSystemRole classification and a separate assignment when it obtains.
PumpUnit-3#CoolingCirculatorSystemRole:Plant-A@WindowThe compact token hides the kind declaration, assignment species and occurrence, and the kind of Plant A while suggesting a mandatory context participant.State the local kind and judgment; when assignment matters, name the A.2.1 occurrence and its declared species, and keep Plant A as the plant System or Work locus.
ReviewerSystemRole means “assigned reviewer”Kind membership and assignment occurrence are collapsed.Evaluate the signature; state the assignment independently.
Membership means “an assignment to this kind obtains”Broader classification would require a broader assignment and subkind order would create world-side facts.Use direct governed system features; assignment can be one explicitly declared feature.
One generic assignment signature accepts U.KindArbitrary kinds enter the assigned-kind slot and stronger appointments lose their participant law.Declare a direct species with an exact local system-role-kind domain.
Taxonomy and scheme are assignment participantsInterpretation editions become world-side identity changes.Keep them in declarations, assertions, or evidence about the predicate.
AssistantReviewerSystemRole partOf ReviewerSystemRoleNo constructive whole or part relation is established.Test an exact qualification, substitution, incompatibility, bundle, or another local kind and direct relation.
The PDF enforced the ruleAn episteme replaces the system and Work that performed enforcement.Name the performer and Work; state the PDF’s source-use, external-rule, evidence, or reliance relation separately.
Same label, therefore same kind or assignmentSpelling establishes neither kind continuity nor an obtaining assignment or Bridge.Compare the C.3 definitions first. Reuse the same kind when its distinction continues; when two kinds are present, establish only the exact C.3.3 and, when needed, F.9 result consumed by the use.