# Implicit Assumptions

> Relying on unstated preconditions a caller must satisfy, which break silently when they are violated.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Implementation-First Integration](https://banes-lab.com/records/lexicon/implementation-first-integration.md) and before [Implicit Behavior](https://banes-lab.com/records/lexicon/implicit-behavior.md).

## Category

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/records/lexicon-category/contracts-interfaces-compatibility.md)

## Negated by

- [Preconditions](https://banes-lab.com/records/architecture/preconditions.md)

## Linked from

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/ontology/principles/architecture-category-contracts-interfaces-compatibility.md)