👉 In the context of philosophy and logic, an "overturn" is a term used to describe the process by which a logical argument or proof is presented in such a way that it cannot be logically proven true. This can include a reversal of the initial premise or conclusion of the argument. For example, consider the following argument: Premise 1: All birds are animals. Premise 2: Some mammals are not birds. Conclusion: Therefore, all mammals are not animals. If we were