Definition: In logic, a term that is universally accepted as true and not easily refuted by other terms is called a "untrumped" term. This means that the statement or proposition it represents cannot be proven to be false through logical deduction alone. For example, if a person says they are right, we can say that this statement is untrumped because no one has ever disputed its truthfulness. In mathematical logic, the term "untrumped" is often used to denote statements that do