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Results tagged with set-theory
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user 109349
forcing, large cardinals, descriptive set theory, infinite combinatorics, cardinal characteristics, forcing axioms, ultrapowers, measures, reflection, pcf theory, models of set theory, axioms of set theory, independence, axiom of choice, continuum hypothesis, determinacy, Borel equivalence relations, Boolean-valued models, embeddings, orders, relations, transfinite recursion, set theory as a foundation of mathematics, the philosophy of set theory.
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What are the sufficient conditions for a set P to be the set of all majority subsets of a se...
Consider the set $S$, $\{1,2,3\}$. The set I want to find, $P$, is the set of all subsets of $S$ which contain a majority of elements of $S$ - $\{\{1,2\},\{1,3\},\{2,3\},\{1,2,3\}\}$. What are the suf …
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