Set-builder notation for $\{1 , 3 , 5 , -7 , -9 , -11 , 13 , 15 , 17 , \ldots\}$
31485
Three negative and three positive $1$s in a serie
45204
Combinatorial proofs: having a difficult time understanding how to write them out
153072
Guessing a subset of $\{1,...,N\}$
14139
$(12)$ and $(123\dots n)$ are generators of $S_n$
47562
Confusion in symbol of subset.
115136
Number sets symbols in LaTeX
20988
Notation for specifying the fractional part of a number
81068
Finding the left and right cosets of H = {(1), (12), (34), (12) ○ (34)} in S4
64658
How many associative binary operations for a set of two elements?
1780
Numbering a set of horizontally distributed equations
5701
Quantifier difference notation
120495
Does this correctly interpret the "$\cong$" between groups as "$=$" between sets?
152113
Formula to this pattern? $1$, $11$, $21$, $1211$, $111221$, $\ldots$
3101
Meaning of a set in the exponent
62255
Notation question: Subroup generated by two elements?
136736
Is there a $(6,9,3)_2$ code?
86263
How do we show there are the same number of elements in each of the sets?