import Mathlib

/- Original: B = B(x, 4r) of radius 4r > 0 that is contained inside of B (k) ∩ S c -/
theorem eq_7f3b54e3d118c8d5 (B : ℕ) (S : ℕ) (c : ℕ) (contained : ℕ) (inside : ℕ) (is : ℕ) (k : ℕ) (of : ℕ) (r : ℕ) (radius : ℕ) (that : ℕ) (x : ℕ) : B = B(x ∧ 4r) of radius 4r > 0 that is contained inside of B (k) ∩ S c := by
  omega

