B.5.QD:6 - Bias-Annotation
The original formulation can anchor subsequent questions. Recovering its failed condition or unused operation helps reveal alternatives, but the new question should still explain what it contributes. A more familiar or easier formulation can silently abandon the unresolved use.
Mathematical search often favors statements that can be proved. Question development also benefits from locating a false conjecture, an underdetermined description or a construction that cannot meet its conditions. Their usefulness comes from the inquiry they enable.