Scope
Chapter “The admissibility frontier”, section “more detail cannot restore an erased coordinate”. This is assertion 2 of 3 in that section.
Expanded claim page · assertion 2 of 3
A stated candidate class or identification has been ruled out under explicit assumptions. checks assumptions, certificates, counterexamples and stopping rules.
Exact assertion
That ordering matters. Every angular, energy and polarization Jacobian of the same process factors through those three amplitude coordinates, so it kills the same displacement point by point. A linear detector fold can discard more information but cannot recreate this lost coordinate. The quadratic response says the same thing: pulling a three-coordinate kernel back to the four source coordinates leaves the exact null direction intact.
A specified candidate class fails under explicit assumptions. The conclusion does not automatically extend to mechanisms outside that class.
Chapter “The admissibility frontier”, section “more detail cannot restore an erased coordinate”. This is assertion 2 of 3 in that section.
Check the assumptions defining the ruled-out candidate class; the no-go does not automatically extend beyond that class.
checks assumptions, certificates, counterexamples and stopping rules.
Break one of the no-go assumptions in a controlled construction, or show that the alleged obstruction does not follow within its stated class.
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