0 votes 0 votes Determine whether each of these pairs of sets are equal. { $1,3,3,3,5,5,5,5,5$ }, { $5,3,1$ } {{ $1$ }}, { $1$ , { $1$ }} $\phi$, { $\phi$ } Set Theory & Algebra kenneth-rosen discrete-mathematics set-theory&algebra + – Pooja Khatri asked Apr 5, 2019 Pooja Khatri 357 views answer comment Share Follow See 1 comment See all 1 1 comment reply prashant jha 1 commented Apr 5, 2019 reply Follow Share A. Yes equal , set cannot have duplicate elements , so on removing duplicate we get the same set. B. No. C. Can be seen as , { } , { { } }. So not equal. 0 votes 0 votes Please log in or register to add a comment.