Skip to main content
2 of 2
added 32 characters in body
Anthony Quas
  • 23.2k
  • 5
  • 63
  • 98

Here is a picture of the set $F$ (in red) in my comment above (the black lines represent the sphere of radius 2). There is a component of $A$ inside the sphere and a component outside the sphere.

The set F

Anthony Quas
  • 23.2k
  • 5
  • 63
  • 98