Challenge: Find a sequence of sets: S1, S2, S3, … such that the intersection of any finite number of them is non-empty, but such that the intersection of all of them is empty, i.e. S1 ? S2 ? S3 ? … = {}.
Fundamental Concepts of Mathematics
Challenge: Find a sequence of sets: S1, S2, S3, … such that the intersection of any finite number of them is non-empty, but such that the intersection of all of them is empty, i.e. S1 ? S2 ? S3 ? … = {}.