# Dependency Declaration

> The requirement that each operation declare the operations it causally depends on.

Record: `lexicon:dependency-declaration`
Kind: constraint
Layer: [Causality Core](https://banes-lab.com/records/layer/causality-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-dependency-declaration

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Unordered Parallel Consumption](https://banes-lab.com/records/lexicon/unordered-parallel-consumption.md) and before [Graph Complexity](https://banes-lab.com/records/lexicon/graph-complexity.md).

## Category

- [Causality / Ordering / Distributed Time](https://banes-lab.com/records/lexicon-category/causality-ordering-distributed-time.md)

## Required by

- [Causal Dependency](https://banes-lab.com/records/architecture/causal-dependency.md)

## Linked from

- [Causality / Ordering / Distributed Time](https://banes-lab.com/ontology/principles/architecture-category-causality-ordering-distributed-time.md)