# Existence

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

## layer

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

## math-type

- [set-theory](https://banes-lab.com/records/reason/math-type-set-theory.md)

## math-types

- [set-theory](https://banes-lab.com/records/reason/math-type-set-theory.md)

## referenced-by

- [Ontogenesis](https://banes-lab.com/records/reason/model-ontogenesis.md)
- [Cognition](https://banes-lab.com/records/reason/model-cognition.md)