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visits member for 3 years, 9 months
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Jun
1
revised Permutation models: when are they isomorphic?
added 39 characters in body
Jun
1
revised A question about a permutation model
added 7 characters in body
Jun
1
revised A question about a permutation model
added 7 characters in body
May
29
revised $1+1+1+1+1+1+1+1+1+1+1+1 \cdot 0+1 = 12$ or $1$?
edited tags
May
25
revised On Lévy collapsing the reals
edited tags
May
24
revised The successor of a set
added 3 characters in body
May
24
revised Why is Cauchy's integral formula always written with the function as the subject?
edited tags
May
22
revised Question on Urysohn's lemma
edited title
May
11
revised Limit with variable: non-defined expression
added 19 characters in body; edited title
May
11
revised $\lim_{n \to \infty}\sum_1^n \frac{(\log k)^4}{ k^2}$ converges?
deleted 3 characters in body; edited title
May
11
revised Which sets are present in every model of ZF?
added 305 characters in body
May
11
revised Which sets are present in every model of ZF?
Small typo corrected.
May
9
revised Is there a set that is both a sigma algebra and a topology but not a powerset?
Redundancy removed.
May
9
revised Is there a set that is both a sigma algebra and a topology but not a powerset?
Redundancy removed.
May
4
revised What operations is a metric closed under?
edited tags
May
3
revised Which sets are present in every model of ZF?
I tried to make my question mathematically precise.
Apr
30
revised Dissecting a proof of the $\Delta$-system lemma (part II)
edited tags
Apr
29
revised Proof of vector calculus identities
Tab removed.
Apr
25
revised True or False; Functional Analysis
deleted 2 characters in body
Apr
25
revised Is a bounded and continuous function uniformly continuous?
edited title