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Continue to ChatBoolean ultrapowers, the Bukovský-Dehornoy phenomenon, and iterated ultrapowers https://jdh.hamkins.org/boolean-ultrapowers-bukovsky-dehornoy-phenomenon/
Boolean ultrapowers, the Bukovský-Dehornoy phenomenon, and iterated ultrapowers https://jdh.hamkins.org/boolean-ultrapowers-bukovsky-dehornoy-phenomenon/