1.10 1.11

Exercise 1.10. Show that, if S is the same size as T and T the same size as U, then S is the same size as u. Exercise 1.11. Here is transfinite induction written in a statement form (TFI) If (i) 0 is F, ( l , if is F, then + 1 is also F, if for every limit ordinal y, if every