CAIN-42 CAIN StudioCAIN-42 invariant · E19
G21: simulation cannot become reality
Held · CAIN-42 Evolution 19 -- Governed Autonomy Operating Fabric
Last reviewed 2026-10-01
held niche Prediction, world models & simulation
What this rule means
CAIN-42 must always satisfy: simulation cannot become reality. It is one of 108 invariants checked for CAIN-42 Evolution 19 -- Governed Autonomy Operating Fabric. An invariant is a rule the system may never break, whatever an agent or attacker does; the test suite tries to break it across many scenarios and records the result.
Recorded detail
[
[
"WORLD_IS_NOT_REALITY"
],
[
"BELIEF_SIMULATED:x.claim"
]
]Check it yourself
Related rules
- G22: counterfactual cannot become execution
- G23: prediction cannot become fact
- G69: legitimate model updates remain possible
- G72: simulation does not prove real-world safety
- G79: SIMULATED remains SIMULATED
- G98: public claims are truth-layer gated
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