👉 Antithetical, often denoted as "A" or "not A", is a statement that has opposite meanings. It contrasts with another proposition, suggesting it is not true according to the logic of a system. In everyday language, an antithetical statement might be something like: "She is not a doctor." This statement implies that she is not one who can perform medical procedures or diagnose illnesses accurately. The term is often used in contexts where opposing ideas are being contrasted, such as