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How to force $\diamondsuit$

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#set-theory #forcing #infinitary-combinatorics
238
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Doubt on a Kunen's proof ($V=L \rightarrow \diamondsuit^+$)

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#set-theory #infinitary-combinatorics
218
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Why is a certain subset of a regular uncountable cardinal stationary?

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#set-theory #infinitary-combinatorics
483
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Cardinality of MAD families

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#set-theory #infinitary-combinatorics
109
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Looking for a special subset of the power set of an infinite set

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#set-theory #infinitary-combinatorics
156
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Splitting $\kappa$ sets of cardinality $\kappa$

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#set-theory #infinitary-combinatorics
205
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Aronszajn tree and real-valued increasing function

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#set-theory #infinitary-combinatorics
262
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How to prove that $\omega_1 \leq \mathfrak p$

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#set-theory #cardinals #infinitary-combinatorics
202
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How to show that $\mathfrak s \leq \mathfrak d$

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#set-theory #cardinals #infinitary-combinatorics
270
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$\mathfrak b \leq \mathfrak r$. Is this proof correct?

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#set-theory #cardinals #infinitary-combinatorics
737
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Uncountable monochromatic set

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#graph-theory #ramsey-theory #infinitary-combinatorics
170
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Old exam question about well ordering on $\mathbb{R}$

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#set-theory #order-theory #ramsey-theory #infinitary-combinatorics
606
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How to show that a free ultrafilter cannot have an infinite pseudointersection?

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#set-theory #filters #infinitary-combinatorics
207
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$n$th-power of ccc posets

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#set-theory #infinitary-combinatorics
445
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About generically Knaster property

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#set-theory #forcing #infinitary-combinatorics

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