👉 Defeasibility is a concept in computer science and information theory that refers to the inability of an algorithm or system to produce a correct output when given incorrect input. In other words, if an algorithm or system is designed with the intention to be "defective" (i.e., unable to produce a correct output), it will not work correctly even when provided with incorrect inputs. Defeasibility can occur in various forms, including faulty design, erroneous implementation, and malfunctions of hardware or