If $R$ be a Union of zero measure sets , what is the cardinal of index set?
104744
Can sets of cardinality $\aleph_1$ have nonzero measure?
60032
If the measure of union = sum of outer measures, then the sets are measurable
81509
The cardinality of a countable union of countable sets, without the axiom of choice
5251
If $F$ is closed, does there exist a finite measure on $[0,1]$ with support $F$?
17987
Which of the following sets has the greatest cardinality?(Math subject GRE exam 0568 Q.61 )
90540
What is wrong in this proof: That $\mathbb{R}$ has measure zero
116676
Examples of uncountable sets with zero Lebesgue measure
36315
Is $[0,1]$ a countable disjoint union of closed sets?
13273
Cardinality of the set of all real functions of real variable
66301
The cardinality of the set of countably infinite subsets of an infinite set
130156
Image of the union and intersection of sets.
122947
What is the cardinality of the set of infinite cardinalities?
19289
complement of a set and its measure
137883
Cardinality of the set of all (real) discontinuous functions
137203
Measurable cardinal existence condition
97697
Countable union of sets of cardinality $c$ has cardinality $c$
135112
Outer measure of product of sets