theorem
proved
term proof
deficit_zero_when_flat
show as:
view Lean formalization →
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. -/