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theorem proved term proof

bridge_contradiction_core

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formal statement (Lean)

 680theorem bridge_contradiction_core (sensor : DefectSensor)
 681    [inst : PhysicallyRealizableLedger sensor]
 682    (hba : BoundaryApproaching sensor) :
 683    False :=

proof body

Term-mode proof.

 684  physicallyRealizableLedger_not_boundaryApproaching sensor hba
 685
 686/-- The structural asymmetry that makes the bridge nontrivial: the collapse
 687observable approaches `0` while the realizability proxy stays bounded away
 688from `0`.  Any proof of the bridge must reconcile these two distinct scalar
 689behaviors.  This theorem packages both sides as a conjunction. -/

depends on (15)

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