User blog:MachineGunSuper/The Hierarchy Replacement Function

If used  correctly, this function can grow very quickly

Think of a very, very big number then express it in the Slow-Growing-Hierarchy. Copy the subscript of the SGH then put it into the subscript of a FGH.

Ex:

The beast of the 6 worlds

666666 = \(f_{\varepsilon_03}(10)\)