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15
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If $\kappa$ is ineffable, then there is no $\kappa$-Kurepa tree

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#set-theory #large-cardinals #infinitary-combinatorics
268
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A lemma in the proof of $\kappa$-chain condition preservation with iterated forcing

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#set-theory #cardinals #forcing #infinitary-combinatorics
236
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Zorn's Lemma and injective choice functions

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#set-theory #infinitary-combinatorics
420
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Is Fodor's Lemma necessary for the $\omega_1$ train station puzzle?

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#set-theory #cardinals #axiom-of-choice #infinitary-combinatorics
167
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Why is MA not provable from ZFC?

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#set-theory #axioms #forcing #infinitary-combinatorics
197
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Kurepa trees and inaccessible cardinals in $L$

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#set-theory #large-cardinals #infinitary-combinatorics
268
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Ineffable cardinals and diamond principle.

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#large-cardinals #infinitary-combinatorics
257
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Jech Third Edition Set Theory p191 Theorem 13.21 Jensen. What is the Essence of the Diamond Principle?

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#set-theory #infinitary-combinatorics
90
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Existence of branches on a tree.

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#elementary-set-theory #trees #infinitary-combinatorics
150
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Countably closed forcings preserves $\diamondsuit$ sequence

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#forcing #infinitary-combinatorics
163
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Are there $\kappa$-closed $\kappa$-Aronszajn trees for $\kappa>\omega_1$?

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#set-theory #infinitary-combinatorics
127
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Generalization of Helly theorem

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#combinatorics #discrete-mathematics #infinitary-combinatorics
76
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Dearrangements and $e$

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#probability #infinitary-combinatorics
62
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$\Box_{\kappa}$ principle, unknown derivation of its property

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#set-theory #ordinals #infinitary-combinatorics
386
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special Aronszajn trees

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#set-theory #trees #infinitary-combinatorics

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