Foundations of Physics

, Volume 39, Issue 4, pp 397–406

Some Comments on “The Mathematical Universe”


DOI: 10.1007/s10701-009-9286-9

Cite this article as:
Jannes, G. Found Phys (2009) 39: 397. doi:10.1007/s10701-009-9286-9


I discuss some problems related to extreme mathematical realism, focusing on a recently proposed “shut-up-and-calculate” approach to physics (Tegmark in Found. Phys. 38:101, 2008; New Sci., September 15th, 2007). I offer arguments for a moderate alternative, the essence of which lies in the acceptance that mathematics is (at least in part) a human construction, and discuss concrete consequences of this—at first sight purely philosophical—difference in point of view.


Philosophy of science Mathematical realism Theory of everything 

Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Instituto de Astrofísica de AndalucíaCSICGranadaSpain
  2. 2.Instituto de Estructura de la MateriaCSICMadridSpain

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