Why QED is at k=-5 (and not before, but perhaps also after) Central Thesis We seek not “absolute uniqueness” but “minimal structural necessity” QED necessarily CANNOT be at k < -5 QED contingently CAN be at k = -5 as unique QED contingently CAN be at k > -5 interacting 1. Structural Sufficiency Principle 1.1 Formal Statement Theorem of Structural…