喻 良's user avatar
喻 良's user avatar
喻 良's user avatar
喻 良
  • Member for 12 years, 11 months
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14 votes
2 answers
1k views

Decomposing $\mathbf{\Pi}^1_1$ sets into closed sets

20 votes
1 answer
977 views

About $\omega_1^{CK}$

5 votes
1 answer
856 views

Countable admissible ordinals

5 votes
0 answers
770 views

ZFC+``every analytical set is measurable"

10 votes
1 answer
685 views

Extending an infinite simple group

3 votes
2 answers
505 views

Lehmer’s totient problem

12 votes
0 answers
460 views

A question concerning model theory of groups

7 votes
1 answer
451 views

Demuth's theorem in set theory

11 votes
1 answer
425 views

Concerning Silver's result

4 votes
0 answers
398 views

Perfect subset of a non-null set

8 votes
1 answer
385 views

$\Delta^1_2$-well ordering vs $\Delta^1_3$

10 votes
0 answers
367 views

Concerning Luzin-(N)-property

9 votes
1 answer
337 views

Minimal cover v.s random reals

7 votes
1 answer
332 views

Uniformization under AD

5 votes
1 answer
292 views

Continuity of real functions

2 votes
1 answer
206 views

The measure of ideals generated by random reals

8 votes
0 answers
203 views

The Hausdorff dimension of the set of reals of inner models

4 votes
0 answers
190 views

A slight extension of Sacks theorem

4 votes
1 answer
160 views

A partial relativization of Gandy's basis theorem

3 votes
1 answer
147 views

Analytic sets and Turing determinacy