iedu/4450/1/Inenia.pdf., from which the quote in the footnote was taken. [10] T. C. Wallstrom, lnequivalence between the Schrdinger equation and the Madelung hydrodynamic equations. Phys. Rev. A 49. 16131617 (1994). [II] Brian Greene. The Hidden Reality Knopf, 2011. 4 I refrain from exploring some obvio