User blog comment:Hyp cos/Analysis - BEAF, FGH and SGH (part 3)/@comment-24509095-20140626092059/@comment-24509095-20140626123324

Yes, but equations aren't appropriate when it comes to these notations. But, anyway, you can't shorten $$\psi(\psi_I(0)2)$$ to $$\psi(I2)$$ They're two different things and the latter is so much bigger than the former.