Remark:
Recall that a set is bounded is one can draw a disk centered on some fixed point which contains the set. We saw in a homework exercise that if this can be done with one center, then it can be done (with different radii) for any center.
Recall that a set is bounded is one can draw a disk centered on some fixed point which contains the set. We saw in a homework exercise that if this can be done with one center, then it can be done (with different radii) for any center.