# Single-State Change Check

> A defect in which a rule about how content changes is enforced by a check that reads one state.

Record: `lexicon:single-state-change-check`
Kind: anti-pattern
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-single-state-change-check

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Crowded Surface](https://banes-lab.com/records/lexicon/crowded-surface.md) and before [Remembering Checker](https://banes-lab.com/records/lexicon/remembering-checker.md).

## Category

- [Coordination Surfaces](https://banes-lab.com/records/lexicon-category/coordination-surfaces.md)

## Violates

- [State-Arity Limit](https://banes-lab.com/records/architecture/state-arity-limit.md)

## Linked from

- [Coordination Surfaces](https://banes-lab.com/ontology/principles/architecture-category-coordination-surfaces.md)