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by crimsonalucard 2521 days ago
Good point. If B was just happening all the time, then a B would always happen after A. Have to make sure the inverse is true.

Though if B happens all the time, but also A causes B. Then there's really no way to establish causation.

"The Channel four studio has electrical sensors that will trip and broadcast the simpsons either at 5pm or when I turn on my TV at 5pm."