What if the paradoxical nature of quantum theory could find its source in some undecidability analog to that G\"odel's incompleteness theorem ? This essay aims at arguing for such G\"odelian hunch via two case studies. Firstly, using a narrative based on Newcomb problem, theological motivational origin contextuality is introduced order show how this result might be related Liar-like undecidabil...

Recent years have seen new general notions of contextuality emerge. Most these employ context-independent symbols to represent random variables in different contexts. As an example, the operational theory (Spekkens Phys Rev A 71(5):52108, 2005) treats observable being measured two contexts identically. Non-contextuality this approach is impossibility drawing ontological distinctions between ide...