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List Question

An elementary problem about binary relations

Why study graph representations of equivalence relations?

About normal spaces and proximities

Proving transitivity of a relation

how is the relation defined by (x,y)$\in$ R iff and only if $x^2-4xy+3y^2$ not symmetric?

Is the relation $R$ on $\Bbb N$ given by $(a,b)\in R\iff a\mid b$ an equivalence relation?

Proving that this relation is an order relation on $\Bbb N$?

Partially ordered set and a method that can quickly solve these questions?!

Relation on set A to the power of two, three, four etc

basic function and relation concepts

Composition relation of R1 ∘ R2

Can you make an unlimited number of connectives with $p$ and $q$?

Logical proposition for "Every positive integer can be written as the sum of 2 squares"

How to prove $R$ is an equivalence relation where: $\forall x, y \in A$, $xRy \iff 4|(x − y)$

Closure notation help

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