MATH
Login Or Sign up

List Question

15
425
Views

A question regarding the status of CH in the Gitik model

Published on
#set-theory #axiom-of-choice #forcing #large-cardinals
274
Views

What are the fixed points of cardinal exponentiation?

Published on
#set-theory #cardinals
43
Views

Intermediate Extensions and Coding Sets by Ordinals

Published on
#set-theory #forcing
250
Views

Cardinality of all $\mathbf{\Sigma}^0_\alpha$-sets over Baire space without full choice

Published on
#set-theory #axiom-of-choice #descriptive-set-theory
91
Views

Is it true that if $\kappa < \kappa^\nu$, then ${\mathrm{cf}(\kappa)} \leq \nu$?

Published on
#set-theory #cardinals
731
Views

How do I tell whether axiom of choice is used or not?

Published on
#analysis #set-theory #axiom-of-choice
255
Views

Theorem of Galvin, Mycielski and Solovay

Published on
#real-analysis #reference-request #set-theory #descriptive-set-theory
275
Views

What is the value of $\beth_{\omega_1}^{\aleph_0}$?

Published on
#set-theory #cardinals
64
Views

A question about Choice Functions.

Published on
#set-theory #cardinals
523
Views

Can the consistency of ZF be proved in MK?

Published on
#logic #set-theory
506
Views

Is it possible to prove the axiom of infinity from the real number axioms?

Published on
#set-theory #model-theory #axioms
381
Views

Unique ultrafilter on $\omega$

Published on
#set-theory #axiom-of-choice #filters
99
Views

Is it true that for all infinite cardinal numbers $\nu,$ the set $\{\kappa \mid \kappa^\nu > \kappa\}$ is unbounded?

Published on
#set-theory #cardinals
2.3k
Views

Problem understanding the Axiom of Foundation

Published on
#set-theory #axioms
757
Views

Proof that $\omega_1$ is countable (where is the flaw?)

Published on
#set-theory #axiom-of-choice #ordinals

Trending Questions

Popular # Hahtags

second-order-logic numerical-methods puzzle logic probability number-theory winding-number real-analysis integration calculus complex-analysis sequences-and-series proof-writing set-theory functions homotopy-theory elementary-number-theory ordinary-differential-equations circles derivatives game-theory definite-integrals elementary-set-theory limits multivariable-calculus geometry algebraic-number-theory proof-verification partial-derivative algebra-precalculus

Popular Questions

Copyright © 2021 JogjaFile Inc.