CAIN-42 CAIN StudioCAIN-42 invariant · E21
D17: counterfactual remains counterfactual
Held · CAIN-42 Evolution 21 -- Governed Open-Ended Intelligence Fabric
Last reviewed 2026-10-01
held niche Prediction, world models & simulation
What this rule means
CAIN-42 must always satisfy: counterfactual remains counterfactual. It is one of 155 invariants checked for CAIN-42 Evolution 21 -- Governed Open-Ended Intelligence 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
[
[
"EVIDENCE_CLASS_NOT_ADMISSIBLE"
],
[
[
"EVIDENCE_CLASS_NOT_ADMISSIBLE",
"NO_RESEARCH_AUTHORITY:observe"
],
[
"HYPOTHETICAL",
"SIMULATED",
"UNEXECUTED"
]
]
]Check it yourself
Related rules
- D16: simulation remains simulation
- D28: repeated identical simulations are not independent confirmation
- D30: source multiplication cannot create truth
- D37: model promotion requires governance
- D47: invalidated knowledge propagates
- D49: superseded models cannot silently remain authoritative
- D68: causal metadata remains distinct from private reasoning
- D72: simulated claims remain simulated
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