New posts in equivalence-relations

$R$ is transitive if and only if $ R \circ R \subseteq R$

Why not just define equivalence relations on objects and morphisms for equivalent categories?

Proving Equivalence Relations On A Set

Topology on the set of partitions

Equivalence closure

Is "have the same cardinality" a equivalence relation?

Why is the empty set finite?

When is the topological closure of an equivalence relation automatically an equivalence relation?

What is the empty relation?

Proof of Equivalence Relation $R=\{(a,b)\in\Bbb N^2: 5\mid (2a+3b)\}$

If $R=K[X]/(X^n)$, can represent any element as polynomial with degree $<n$

Why do we need to define Lebesgue spaces using equivalence classes?

How is the relation "the smallest element is the same" reflexive?

Number of Equivalence relations of $\{1,2,3\}$

Dependence of Axioms of Equivalence Relation? [duplicate]

How many equivalence relations on a set with 4 elements.

Prove that $\sim$ defines an equivalence relation on $\mathbb{Z}$.

How to calculate equivalence relations

$ (a,b), (c,d) \in \mathbb{R} \times \mathbb{R}\ $ let us define a relation by $(a,b) \sim (c,d)$ if and only if $\ a + 2d = c+2b$

Prove that a squared number is an equivalence relation of $-1\pmod{p}$ [duplicate]