Notation to refer to all the n element subsets of a set?
41899
Notation for: all subsets of size 2
76405
Let n be an even integer. How many different ways can I choose subsets of the set {1,2...,n}
22132
How to Map a subset of list elements to a function?
120610
Find a subset of $S = \{(1, 0, i), (i, 2, -3), (2-i, 1+i, i)\}$ that forms a basis for $\textsf V = \operatorname{span}(S)$
30968
Is it possible that every set can be specified?
124325
Element of, subset of and empty sets
141379
All groups where underlying set has at most 4 elements
62255
Notation question: Subroup generated by two elements?
109219
How do the sets $\emptyset\times B,\ A\ \times \emptyset, \ \emptyset \times \emptyset $ look like?
86263
How do we show there are the same number of elements in each of the sets?
6679
Counting number of subsets which contain a specific element
97547
Is it possible to get a diagonal subset symbol?
124116
What does the notation $\binom{n}{i}$ mean?
132068
Write the set $\{1, 6, 11, 16,\ldots\}$ in compact (concise) notation.
36612
Strange set notation (a set as a power of 2)?
16056
Is empty set element of every set if it is subset of every set?
102510
Count number of subsets of 3 elements either disjoint or whose intersection is a singleton