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ayberkt committed May 21, 2024
1 parent 5dd3d65 commit b90d8e7
Showing 1 changed file with 4 additions and 4 deletions.
8 changes: 4 additions & 4 deletions source/UF/SystemFNotionOfResizing.lagda
Original file line number Diff line number Diff line change
Expand Up @@ -39,10 +39,7 @@ open AllCombinators pt fe
One can consider System F resizing in a universe polymorphic form, but we think
this should be inconsistent due to some form of Girard’s Paradox. This is
because it gives nested impredicative universes which is known to be
inconsistent. However, there are lots of details to check here. It would be nice
to have this paradox in TypeTopology.

TODO: show that the following axiom is inconsistent.
inconsistent. However, there are lots of details to check here.

\begin{code}

Expand All @@ -52,6 +49,9 @@ Generalized-System-F-Resizing 𝓤 𝓥 =

\end{code}

TODO: prove that this generalized form is inconsistent.


The special case of this notion of resizing where we pick `𝓤 := 𝓤₀` and
`𝓥 := 𝓤₁` should be consistent.

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