Recent content by Sesp

Actually I think I get it. Had a look at wikipedia's definition of liminf and limsup for sets http://en.wikipedia.org/wiki/Limit_superior_and_limit_inferior In the example there's a sequence of sets {0},{1},{0},{1},{0},{1}... It doesn't matter which way these are ordered because there's always...

Hi, I was just reading through your posts and I thought I understood it, but the last sentence confused me. x is in liminf {E_n} iff every subsequence contains x for all k>=N --- doesn't that mean that you need one ordering for the sequence of sets? Otherwise what does k>=N mean?