👉 In logic and mathematics, a "nullus" is a term used to describe an object that does not have any properties or characteristics. It can also refer to a statement that has no truth value or interpretation. For example, in propositional logic, a "nullus" could be a proposition that has no truth value or interpretation. In mathematical logic, it might be a proposition that is true for all possible interpretations. In programming and computer science, a nullus can refer to an object