Explain why a directed set is used and a partial order is insufficient (the article on Preorder claims that general directed sets rather than partially ordered ones are necessary, but that is not explained either here or there). Dfeuer 20:13, 12 Aug 2004 (UTC)
Figure out if I used the right terminology (should I have written cofinal rather than final?) Dfeuer 20:17, 12 Aug 2004 (UTC)
Describe the different definitions that authors have used for nets. Dfeuer 20:17, 12 Aug 2004 (UTC)
Prove that every net has a universal subnet. Dfeuer
Give an example of a discontinuous function which is sequentially continuous. Lupin 15:26, 6 Sep 2004 (UTC)
