Recent content by Kniazi

Twoslit, thank you so much, I really appreciate it. :)

Ok. We assumed that N cannot contain sets belonging to themselves. After we plugged it into the statement, we got: "N is not an element of itself so N belongs in N". But that just contradicts the fact that N is not an element of itself? And that contradiction is the paradox.

Prove Russel's paradox by contradiction and what does it tell us about sets? I tried doing it like this and I am not sure it is right. I supposed S was the collection of all sets and since S is a set S∈S. Now we can split this universe S into two parts: U(for the unusual that are part of...