Original ledger status
SEL.THM.01
SEL.THM.01
Boundary Carrier Selection Theorem (Theorem A): admissible boundary-carrier data SELECT (D5+A3)+mu4=E8 uniquely. Boundary mu4->H1=Z^3->A3,N_fam=3; minimal 16-spinor->D5 (only n=5); disc(D5)=disc(A3)=Z4 cyclic anti-isometric, q(D5)+q(A3)=5/4+3/4=2=E8 root norm, glue index 4=|mu4|, E8 unique even unimodular rank 8. Four simultaneous conditions (16-spinor, N_fam=3, cyclic Z4, q-sum 2) met ONLY by D5+A3; D8 (non-cyclic, no family), E7+A1 (1 fam), E6+A2 (2 fam, Z3), A4+A4 (Z5), A8 (single) excluded. Lattice facts [L]; physical selection (P1 seam + P2 carrier => these inputs) is [P]/[A] selection axiom, not zero-input derivation
Recorded status: Lattice [L] + selection [P]
Dependencies, status detail and source
Canonical status: Lattice [L] + selection [P]
Dependencies: E8.GLU.01; BOOT.CLASS.01; v1; v15
Scripts: v47_selection_theorem.py
Location: tfpt_1
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