619 reputation
528
bio website
location Unknow Galaxy
age
visits member for 2 years, 1 month
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.


Jul
16
asked Is there any countable ordinal number which has a member undefinable?
Jun
22
asked What's correspondence between the model theoric and the set theoric kernel of homomorphism?
Apr
27
asked Which logic is stronger? SOL or $\frak{L}_{\infty,\infty}$?
Apr
16
asked Can we conclude that $|\prod_{\xi \in Ord, \xi=1}^{\xi<\alpha}\xi|=2^{|\alpha|}$ for all infinite ordinal $\alpha$ in $\mathsf{ZFC}$?
Apr
15
asked Can we conclude $\prod_{\kappa \in Crd, \kappa=1}^{\kappa<\aleph_\alpha}\kappa=2^{\aleph_\alpha}$ in ZFC?
Apr
12
answered Entropy: Is $H(X_{1},X_{2}) = H(X_{1})$ true?
Apr
10
answered How can $\mathbb{N}$ have an upper bound?
Apr
5
asked What's the remainder of a natual number divided by lcm(m,n)?
Apr
5
asked How to deal with infinite continued fractions in formal language?
Apr
4
answered Why don't we study algebraic objects with more than two operations?
Mar
30
asked Are there rules in the useage of prepositions in Math?
Mar
27
asked What is the correspondence between the semantic compactness of logics and the compactness of Stone spaces?
Mar
22
asked How to extend definition of n-tuple to the case $n=0$?
Mar
21
asked Can proper classes also have cardinality?
Mar
21
asked On models of ZFC, does there exist a bijection between Von Neumann universe and the ordinal class?
Feb
23
asked Proving that for infinite $\kappa$, $|[\kappa]^\lambda|=\kappa^\lambda$
Jan
26
asked Is every homomorphism from $\langle(0,+\infty),\,\cdot\,,{}^{-1}\rangle$ into $\langle\{-1,1\},\,\cdot\,,{}^{-1}\rangle$ a constant valued function?
Jan
26
answered Proving a function is constant when $f(x)f(y) + f(\frac{a}{x})f(\frac{a}{y}) = 2f(xy)$
Jan
22
asked How to solve real-time games?
Jan
19
asked Does Black have a winning strategy in Gomoku(freestyle)?