Notation for set minus
134177
Using setminus notation with set elements
33199
Least value of an Expression?
34138
Cardinal number subtraction
63149
Notation for functions vs. numbers
148571
Simplify function notation
74546
Negating A Mathematical Statement
78300
Showing a set is closed other than giving a counterexample?
107675
How to get a good "divisible by" symbol?
69827
Set conditions at a permutation
126734
Convert a number to its expression in words (e.g. 55 -> fifty-five)
34024
Are +0 and -0 the same?
41899
Notation for: all subsets of size 2
21903
What is the difference between [0-9]+ and [0-9]++?
155051
Writing $\left(\mathbf Z/2\oplus\mathbf Z/4\oplus\mathbf Z/8\right)\oplus\left(\mathbf Z/9\oplus\mathbf Z/27\right)$ in a different way
52473
How do you make a square element symbol (\in), to show that an element belongs to a collection of set?
84199
What does the $\|$ operation mean in cryptographic notation?
150496
What alternative notation of subscripts/superscripts that are also treated as SYMBOLS in Mathematica?