Equivalence relation for 𝑥, 𝑦 ∈ Z, 𝑥𝑅𝑦 if and only if 5|(𝑥 − 𝑦).
104987
Equivalence Relation with dividing x and y integers
89506
Union of disjoint sets : Equivalence relations
95669
Solutions of $|z| = z^5$ in $\Bbb{C}$?
83996
For any two sets $A,B$ , $|A|\leq|B|$ or $|B|\leq|A|$
108045
Show that are logically equivalent
87928
Proof of logical equivalence of biconditional and other proposition
18334
Equivalence between CH and existence of certain sets in $\mathbb{R}^2$
122839
how many different equivalence relations
127596
Composition of equivalence relations
31392
Examples and Counterexamples of Relations which Satisfy Certain Properties
20615
How many Nerode equivalence classes does the language $x\neq y$ have?
104977
How to calculate equivalence relations
43010
Prove that for every n ∈ Z, there exist a, b ∈ Z such that $n = 5a + 2b$.
125028
Prove the following equality using mathematical induction:
75199
$a \equiv b \pmod n$ and $c\equiv d \pmod n$ implies $ac \equiv bd \pmod n$
70409
Rational Equivalence Relation and Measure
46039
Prove that if $x \in R,$ then there exists $n \in Z$ satisfying $x \leq n < x+1$