👉 Nondirectionality is a concept in mathematics and computer science that refers to a property of mathematical objects or algorithms where they cannot be both "in" and "out". This means that they have properties which are not either true or false, but rather can only take on one value at a time. In other words, the object or algorithm must show some kind of behavior that is neither possible nor impossible. In simpler terms, nondirectionality implies that certain mathematical objects or algorithms cannot be both "