Nomenclature
The first principle of first principles is nomenclature — the system of names.
The Bridge
A&IDs extend P&ID discipline to AI + Crypto — every agent, instrument, and feedback loop made visible.
| Traditional P&ID | A&ID Equivalent | Domain |
|---|---|---|
| Process | Agent | DePIN robots, AI actors, autonomous entities |
| Instrument | Instrument | Smart contracts, oracles, incentive mechanisms |
| Pipeline | Protocol | Data flows, value flows, decision traces |
| Control Loop | Feedback Loop | VVFL, tokenomics, governance |
The Duality
The Yin layer has two valences.
Push instruments are the floor — rule of law, gates that halt on fail (G), penalties for crossing the line.
Pull instruments are the ceiling — incentive engineering, alarms (A) and controllers (C) that reward movement toward goodwill.
Same Yin, opposite signs. Together they define the corridor agents sail in.
At artifact level both kinds become business instruments — the documents and forecasts that encode the rules.
At protocol level they become smart contracts.
The Knowledge Stack
A&IDs translate the knowledge stack into readable diagrams:
| P&ID Element | Stack Layer | Example |
|---|---|---|
| Instruments | Primitives | Sensors, valves, actuators |
| Pipelines + Control Logic | Protocols | How instruments sequence |
| ISA/IEC Symbol Codes | Standards | FV01 means the same everywhere |
| The Factory | Platform | Crystallized capability |
The same visual language applies to smart contracts and AI agent schemas. Encoding P&ID logic into smart contracts bridges physical-digital-cryptoeconomic worlds.
Questions
Can a single notation system encode both physical infrastructure and cryptoeconomic incentives without ambiguity?
- If an A&ID symbol must work for both P&ID engineers and token designers, where does the notation break?
- How do you represent an instrument that is both a smart contract (Yin) and an agent capability (Yang)?
- When does the duality (push/pull instruments) need a third valence to capture real-world complexity?
Next: Understand the P&ID Primer — how P&IDs encode real-world systems.