👉 In mathematics, a non-fugitive is a set that contains all its own elements. This means that for any element \(x\) in the set, there exists an equivalent element (or "fugitive") that differs from it by exactly one element. For example, if we have a set of numbers \(\{2, 4, 6\}\), then \(3\) is not a non-fugitive because any number can be made to differ from \(3\) in
