transfinitely

We finish this section by briefly addressing how the reduction procedure for mathsf EMU described so far can be formalized in the transfinitely iterated fixed point theory widehat mathsf ID_(<ε₀) of [18] in order to yield conservativity of mathsf EMU over widehat mathsf ID_(<ε₀) with respect to arithmetic statements.

The concern was voiced that Zermelo assumed transfinitely many successive choices, where one choice depends upon another, and that this was unacceptable.