Not to be confused with tethragodhathor, or tethrato-godgathor.

Tethrato-godhathor is equal to E100#^^#^^#7 using Extended Cascading-E notation.[1] The term was coined by Sbiis Saibian.

Approximations

Notation Approximation
BEAF X^^X^^7 & 100 (debatable)
Fast-growing hierarchy \(f_{\varphi(\omega↑↑6,0)}(100)\)
Hardy hierarchy \(H_{\varphi(\omega↑↑6,0)}(100)\)

Sources

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