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List Question

Equivalence classes of multiples of 3

Well-defined functions using mod $p$ equivalence classes

Is "to be married" a transitive relation?

Being contractible in homotopy theory vs. homotopy type theory

Non-empty intersection of equivalence classes.

Equivalence relation over groups $a\asymp_sb :\rightarrow\exists n\in\Bbb Z:as^n=b$: terminology and decision problem

Find the set of a given equivalence relation

Define a relation $\sim$ on ℝ² by $(x,y)\sim(w,z)$ if $x+y=w+z$

Equivalence relation for set given as matrix

Doman and range of a simple relation

Prove $[(n, k)] = 7^{*} \iff n - k = 7$

Define a relation on the integers such that $a R b$ iff $\;3\mid (a + 2b)$?

Ordered Pair Proof

Finding the equivalence class of this relation

Equality of equivalence classes for congruence modulo 7

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