An event will happen some day of the next n days, but the day must be such that no one can predict the day {prediction paradox}. Event cannot be on last day, because it is last possible day and so predictable. If it cannot be last day, then it cannot be next-to-last day, because that day has in effect become the last day, and so on, until first day, so event cannot happen.
Mathematical Sciences>Logic>Paradox>Prediction
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Date Modified: 2022.0224