NS_Reentry.lean · §0.2 – 0.4

The return passes through one marked representative

Each upper-scale value X = (a, b) carries content a and a boundary marker b. Collapse forces the marker to 1. Cascade drops it. What returns is exactly the carried source a.

Marker of X
{{line1}}
{{line2}}
{{line3}}
{{note}}
Vₙ: scale of the carried content
a ∈ Vₙ
content a
content a
content a
content a
{{bLabel}}
marker
marker
marker
marker
schematic · Vₙ₊₁ = Vₙ × {0, 1}