# Uncertainty

> This node sits on the Substrate layer. Its mathematical type is probability.

Record: `reasoning:substrate-node-uncertainty`
Kind: substrate-node
Canonical: https://banes-lab.com/ontology/reasoning#reasoning-substrate-node-uncertainty

Listed in [Reasoning records](https://banes-lab.com/api/records/reasoning.md), after [Invariant](https://banes-lab.com/records/reasoning/substrate-node-invariant.md) and before [Information](https://banes-lab.com/records/reasoning/substrate-node-information.md).

## Layer

- [Substrate](https://banes-lab.com/records/reasoning/layer-substrate.md)

## Math type

- [probability](https://banes-lab.com/records/reasoning/math-type-probability.md)

## Concept

- [Probability](https://banes-lab.com/records/reasoning/math-domain-probability.md)