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Zuhair Al-Johar
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Is it consistent to have a function that is sensitive to subset relation from the power set of a set to itthat set?

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Zuhair Al-Johar
  • 11.3k
  • 1
  • 13
  • 47

Is it consistent to have a function that is sensitive to subset relation from the power set of a set to it?

Is it consistent with $ZF$ to have a set $S$ and a function $F: P(S) \to S$ such that:

$\forall X,Y \in P(S): X \subsetneq Y \implies F(X) \neq F(Y)$