Question regarding congruence notation
117538
What is the interpretation of $a \equiv b$ mod $H$ in group theory?
41673
Solve congruence system $\ x\equiv m_i-1 \pmod{m_i}\,$ for $\,i = 1,\ldots, k$
145354
What is $\gcd(0,0)$?
126859
$\Bbb Z^\ast$ What is this notation?
65069
What is the double bracket notation used here?
45882
Solving a congruence without Fermat's little theorem
38727
Modular Exponentiation and Primes
22200
When a congruence system can be solved?
14693
$d = \gcd(c,m),\ ac≡bc\pmod{\! m}\Rightarrow a≡b\pmod {\!m/d}\ $ [Congruence Cancellation & Division Rule]
4357
Why does the CRT formula yield a solution of a congruence system?
7043
mod [= remainder] operation (and relation), name and meaning
36612
Strange set notation (a set as a power of 2)?
120571
What does it mean $a \;\text{mod}\; 1$?
8784
modulo version of the quadratic formula and Euler's criterion
120495
Does this correctly interpret the "$\cong$" between groups as "$=$" between sets?
32184
Summation notation problem
62255
Notation question: Subroup generated by two elements?