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2025-12-24 05:43:01 UTC
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Jean Abou Samra (new account) on Nostr: nprofile1q…aztfm "It seems to me like one can easily have such a setup where x ...

"It seems to me like one can easily have such a setup where x doesn't come from the subfield k, namely take i=j."

Slightly less trivially, consider i, j : k(x, y) -> k(x, z, t) that send x to x and y to z or t respectively. I don't know about the rest.