Can I get some help with explaining this behaviour?
At first it seems that you can find the existence of a set within a set of sets, but after I make a modification to the set I cannot do so?
6 posts - 5 participants
Can I get some help with explaining this behaviour?
At first it seems that you can find the existence of a set within a set of sets, but after I make a modification to the set I cannot do so?
6 posts - 5 participants