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Are cardinals with the same "continuum function" equal?

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#logic #set-theory #cardinals
125
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Is every concretizable category equivalent to a subcategory of the category of sets?

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#logic #category-theory #set-theory
97
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Natural isomorphism between the squaring functor and the identity functor on infinite sets

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#category-theory #set-theory #natural-transformations
343
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Visualisation of ordinal vs cardinal arithmetic

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#set-theory #cardinals #ordinals #visualization
158
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What are the implications of BB(8000) being independent of ZFC?

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#set-theory #turing-machines
738
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Linking the Analysis of the Baire space, Cantor space and $\mathbb{R}$.

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#set-theory #descriptive-set-theory
77
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small chains guarantee existence of big independent set?

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#set-theory #order-theory
151
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Consistency of $\mathfrak{b}<\mathfrak{s}$

Published on
#reference-request #set-theory #cardinals #forcing
70
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Two well-orderings of an infinite cardinal agree on a large set (Part II)

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#set-theory #cardinals
48
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Countable set of elements chosen from Countable collection

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#proof-verification #set-theory #axiom-of-choice
66
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The principle of finite choice for a single set family (ZF)

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#set-theory #first-order-logic
168
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Infinite choice (ZF)

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#logic #set-theory #first-order-logic #axiom-of-choice
616
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Non-principal ultrafilter containing a finite set

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#general-topology #logic #set-theory #model-theory #filters
179
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Different sets of glyphs for aleph-numbers

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#set-theory #cardinals #ordinals
216
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An infinite cardinal number into a power of a finite cardinal number

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#set-theory #cardinals

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