Equivalence Relation: Property 1 is implied by Properties 2 and 3
10858
Why isn't reflexivity redundant in the definition of equivalence relation?
104977
How to calculate equivalence relations
65910
Reflexivity of equivalence relations
148954
Understanding a statement about equivalent norms ($||\cdot ||_2 \sim||\cdot||_1 $)
85338
Equivalence relations on classes instead of sets
62770
Does $a\mid bc$ imply $a\mid b$ or $a\mid c$?
29232
Find total number of relations that are equivalence as well as partial order set
70409
Rational Equivalence Relation and Measure
48213
proving logical equivalence $(P \leftrightarrow Q) \equiv (P \wedge Q) \vee (\neg P \wedge \neg Q)$
75254
Properties possessed by $H , G/H$ but not G
158009
Why is it always the case that, given an equivalence relation R on a set X and a $x \in X$, that x is equivalent to itself?
131132
Proofs using vector properties
143646
Is it possible to prove reflexive, symmetric and transitive properties of equality and the transitive property of inequality?
1704
Define a relation and find its equivalence classes.
151947
Finding a pair of functions with properties
66548
proving topological equivalence
53101
Is it true that the relation |A| < |B| is a sufficient condition for claiming that $f$ is a bijection?