Content stub — prose, diagrams, and Lean 4 exercises to be written.
This week covers: How T* = 2π anchors the ladder π → φ → μ → η → Δ → Σ → Ω → τ. The spacing between rungs as convergence rate.
Primary chapter references from book/: chPI-recurrence.html
-- dm³ 101 · Week 06 · Lean 4 Lab -- Operator: π (T* = 2π) -- TODO: fill in theorems and exercises -- stub example : True := trivial