Is $R^2 = R$, if the relation R is transitive?
137921
Reflexivity, Transitivity, Symmertry of the square of an relation
31392
Examples and Counterexamples of Relations which Satisfy Certain Properties
25155
Suppose $R$ and $S$ are transitive relations on $A$. Prove that if $S \circ R \subseteq R \circ S$ then $R \circ S$ is transitive.
82321
Is $\cos(x) \geq 1 - \frac{x^2}{2}$ for all $x$ in $R$?
61962
Show $R$ is right-Artinian but not left-Artinian
143060
If a relation is symmetric and transitive, will it be reflexive?
73927
Is $\mathbb{R}$ a subset of $\mathbb{R}^2$?
36043
If $ab \equiv r \pmod{p}$, and $x^2 \equiv a \pmod{p}$ then $y^2 \equiv b \pmod{p}$ for which condition of $r$?
132470
Does $\mathbb R^2$ contain more numbers than $\mathbb R^1$?
12825
Bijection between $2^{\mathbb R}$ and $\mathbb{ R ^ R}$
56512
Divisibility is transitive: $\ a\mid b\mid c\,\Rightarrow\ a\mid c$
102777
Is $G^{(X, Y)} = (G^X)^Y?$ ($A^B$ just means that $B$ is mapped to $A$)
90879
Why correlation is not "transitive"?
84819
Is statistical dependence transitive?
140335
Prove that the empty relation is Transitive, Symmetric but not Reflexive
15312
Show that $R \cap R^{−1}$ is an equivalence relation on $X$?
99911
How to show that if $x=(p,q)$ and $y=(p',q')$ then $x \sim y $ if $pq'=p'q$ is an equivalence relation?