609 reputation
327
bio website
location Unknow Galaxy
age
visits member for 1 year, 10 months
seen Dec 20 '13 at 18:33

A student in Philosophy but also curious in many fields.


I don't know,

But I want to know.


Dec
11
accepted Is there any countable ordinal number which has a member undefinable?
May
20
accepted Which logic is stronger? SOL or $\frak{L}_{\infty,\infty}$?
Apr
16
accepted Can we conclude $\prod_{\kappa \in Crd, \kappa=1}^{\kappa<\aleph_\alpha}\kappa=2^{\aleph_\alpha}$ in ZFC?
Apr
7
accepted How to deal with infinite continued fractions in formal language?
Apr
5
accepted What's the remainder of a natual number divided by lcm(m,n)?
Apr
4
accepted Are there rules in the useage of prepositions in Math?
Mar
24
accepted How to extend definition of n-tuple to the case $n=0$?
Mar
22
accepted Can proper classes also have cardinality?
Mar
22
accepted On models of ZFC, does there exist a bijection between Von Neumann universe and the ordinal class?
Feb
24
accepted Proving that for infinite $\kappa$, $|[\kappa]^\lambda|=\kappa^\lambda$
Jan
26
accepted Is every homomorphism from $\langle(0,+\infty),\,\cdot\,,{}^{-1}\rangle$ into $\langle\{-1,1\},\,\cdot\,,{}^{-1}\rangle$ a constant valued function?
Jan
23
accepted How to solve real-time games?
Jan
20
accepted Does Black have a winning strategy in Gomoku(freestyle)?
Dec
14
accepted Hyperreal measure?
Dec
9
accepted Is one structure elementary equivalent to its elementary extension?
Dec
8
accepted Does elementary embedding exist between two elementary equivalent structures?
Dec
2
accepted Is $\kappa^\lambda=2^\lambda$($2 \le \kappa<\lambda$,$\lambda$ infinite) valid in set models of ZF?
Dec
2
accepted Is there any Dedekind-infinite set can be split to two smaller Dedekind-infinite sets?
Dec
2
accepted Is this theory $\kappa$-categorical when $\kappa$ is infinite and not $\le \aleph_0$?
Dec
2
accepted $A+\alpha\sim A$ when $\omega\le\alpha<h(A)$