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Continue to ChatA question in set-theoretic geology: if $M[G][K]=M[H][K],$ then can we conlude $M[G]=M[H]$? https://jdh.hamkins.org/a-question-in-set-theoretic-geology/
A question in set-theoretic geology: if $M[G][K]=M[H][K],$ then can we conlude $M[G]=M[H]$? https://jdh.hamkins.org/a-question-in-set-theoretic-geology/