What does (a == b ? c : d) do?
139316
Prettiness of ternary operator vs. if statement
47737
Find all the possible values of $(a,b,c,d)$.
71529
What is this operator: &=
84626
Why in these matrices are $AB=BA$ not equal? What is the logic behind them?
34362
Are there any examples of $\frac{a}{b}+\frac{c}{d}=\frac{a+c}{b+d}$?
41182
What does the construct x = x || y mean?
134050
Question about set notation: what does $]a,b[$ mean?
71717
Is this always true: $P(A|B) = 1-P(A^c|B)$?
124097
How does += (plus equal) work?
103702
What is a/b/c/d? That is: What is the correct order for multiple consecutive division operations?
6098
Let $f:A\rightarrow B$ and $C\subset B,D\subset B$. Prove that $f^{-1}(C\backslash D)=f^{-1}(C)\backslash f^{-1}(D)$
125737
GCD( LCM(a,b) , LCM(a,c) ) = LCM(b, GCD(b,c)) , why?
147527
Let $a$ and $b$ be non-zero integers, and $c$ be an integer. Let $d = \gcd(a, b)$. Prove that if $a|c$ and $b|c$ then $ab|cd$.
66563
Is $ (A∪B)×(C∩D)=(A∪C)×(B∪D)$ true for all sets A,B,C and D?
13136
Element chasing proof that $(A\setminus C)\setminus(B\setminus C) = (A\setminus B)\setminus C$
76823
Is it the case that for all sets $A, B, C,$ and $D$, $(A \times B) \cup (C \times D) = (A \cup B) \times (C \cup D)$?
85688
How to show $\gcd(ac, bd) = \gcd(a,d) * \gcd(b,c)$