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def definition def or abbrev

mass_tau_MeV

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formal statement (Lean)

  31def mass_tau_MeV : ℝ := 1776.86

proof body

Definition body.

  32
  33/-! ## Topological Steps -/
  34
  35/-- Step 1: Electron to Muon.
  36    Driven by Passive Edges (11) and Spherical Geometry (1/4π). -/

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