To get to After Tax Nominal From After Tax Real

The only way to get there would be

After Tax Real —> Pre tax Real —> Pre tax Nominal —> After Tax Real ---- RIGHT?

You cant go After Tax real right to After tax Nominal in one equation right?

Pretax real doesnt make sense. You always get taxed on nominal return.

so it would be pretax nominal return -> after tax nominal rtn -> after tax real return