Scope
Chapter “The admissibility frontier”, section “the microscopic source quotient has five coordinates”. This is assertion 3 of 3 in that section.
Expanded claim page · assertion 3 of 3
A stated candidate class or identification has been ruled out under explicit assumptions. checks assumptions, certificates, counterexamples and stopping rules.
Exact assertion
The rank-two Jordan cone remains exact for any pair of ports that an experiment actually isolates. The missing reason is now operational rather than algebraic: compute the energy-dependent five-channel response and look for one stable broken singular direction separated from the others across a declared window. A spectral gap would justify a two-port reduced model and guide detector design; its absence would rule out that reduction while leaving the wider admissibility method 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 “the microscopic source quotient has five coordinates”. This is assertion 3 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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