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Learn moreAcademic-turned-teacher (but still doing research as a hobby), interested in mathematical logic - specifically, computability theory and reverse mathematics, set theory, and abstract model theory. I'm also interested in other Nifty Things, in mathematics and elsewhere.
Since the SE system only allows temporary bounties, I am here informally "perma-bountying" the following ten questions, each for 1000 points:
Geometry and topology:
Model theory:
Descriptive set theory:
Set theory:
Computability theory:
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