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30 August 2023
24.43.123.81
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+252
RhubarbJayde
Created page with "The Bird ordinal (sometimes called Bird's ordinal) is an intermediate ordinal between the Takeuti-Feferman-Buchholz ordinal and Extended Buchholz ordinal which occurs occasionally in apeirological notations such as BMS. It was named by the apeirological community in honor of Chris Bird. This is because it is believed to correspond to the limit of his final system of array notations, and thus the growth rate of a natural extension of his..."
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