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theorem proved term proof

deficit_zero_when_flat

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formal statement (Lean)

  79theorem deficit_zero_when_flat (a : ℝ) : deficit_angle_deformed 0 a = 0 := by

proof body

Term-mode proof.

  80  unfold deficit_angle_deformed; ring
  81
  82/-- The deficit angle scales with the lattice spacing squared. -/

depends on (3)

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