# invariant_block

> "#" "CROSS-NODE" "INVARIANTS" <invariant_record>+

Record: `pag:production-invariant-block`
Kind: production
Canonical: https://banes-lab.com/ontology/grammar#pag-production-invariant-block

Listed in [Grammar records](https://banes-lab.com/api/records/pag.md), after [repair_edge](https://banes-lab.com/records/pag/production-repair-edge.md) and before [invariant_record](https://banes-lab.com/records/pag/production-invariant-record.md).

## Grounds

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

## Linked from

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