# Duplicated Authority

> Two or more places each claiming to own the same fact, so they drift and disagree over time.

Record: `lexicon:duplicated-authority`
Kind: anti-pattern
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-duplicated-authority

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Canonical Definition](https://banes-lab.com/records/lexicon/canonical-definition.md) and before [Data Semantics](https://banes-lab.com/records/lexicon/data-semantics.md).

## Category

- [Schema / Canonical Data / Semantics](https://banes-lab.com/records/lexicon-category/schema-canonical-data-semantics.md)

## Negated by

- [Single Source of Truth](https://banes-lab.com/records/architecture/single-source-of-truth.md)
- [Declared Jurisdiction](https://banes-lab.com/records/architecture/declared-jurisdiction.md)
- [Externally Resolved Slot](https://banes-lab.com/records/architecture/externally-resolved-slot.md)

## Linked from

- [Schema / Canonical Data / Semantics](https://banes-lab.com/ontology/principles/architecture-category-schema-canonical-data-semantics.md)
- [Taxonomy / Classification / Naming](https://banes-lab.com/ontology/principles/architecture-category-taxonomy-classification-naming.md)
- [Taxonomy / Classification / Naming](https://banes-lab.com/ontology/lexicon/lexicon-category-taxonomy-classification-naming.md)
- [Failure shapes](https://banes-lab.com/ontology/reasoning/the-failure-shapes.md)