👉 In logic, a refutation is an argument that disprove(s) a given statement. It is a critical point where one side of an argument is contradicted by its own argument. Refutations are used in logical reasoning to show the truth or falsity of a proposition. They help us understand whether a claim is true or false and how it can be refuted. For example, consider the following argument: "Every student has a cell phone." Refutation: "No student has an iPhone