J Joe New member Oct 17, 2010 #1 Let m>0 be given. Prove that if for all 0<s<m, the intersection of D and B's(c)=/the empty set, then for all r>0, the intersection of D and B'r(c)=/ the empty set.
Let m>0 be given. Prove that if for all 0<s<m, the intersection of D and B's(c)=/the empty set, then for all r>0, the intersection of D and B'r(c)=/ the empty set.
