Constraints Elimination
Use each truthful public statement in order to remove impossible values and identify the one forced answer.
Core · Canonical TaskForm · Clue-card candidate choice · Choose One
Watch: Use clue cards to eliminate visible candidates and choose the single survivor. The shell keeps the complete question visible, reserves the canonical reply band, and reveals proof on the same task objects.
Misread: Child action: Use clue cards to eliminate visible candidates and choose the single survivor.
Curriculum: Mapped to Constraints Elimination.