feedback on my solution regarding eqivalence relations.
65319
For all $x,y∈\Bbb{R}$ define that $ x\equiv y$ if$ x^2=y^2$
142840
Open axioms of equality
14491
Verify the following relationship: $\nabla \cdot (a \times b) = b \cdot \nabla \times a - a \cdot \nabla \times b $
1704
Define a relation and find its equivalence classes.
74015
Number of relations that are both symmetric and reflexive
14069
Niceness and Priority of Processes
136883
The class of equivalence.
67238
Requesting review of technically inaccurate answers
146202
Preempting inadequate answers and the ‘XY problem problem’
35577
relations - examples and counterexamples
80209
If $X,Y$ are equivalence relations, so is $X \times Y$
7089
The "I Get It" Reputation Problem
2752
Is there any way to generalise this problem?
3465
Equivalence relations and power sets.
147508
Ordinal trends and finding concordant and discordant pairs
30311
Base change and irreducibility/reducedness/connectedness in Qing Liu's book (3.2.7 and 3.2.11 using 3.2.6)
8483
A Particular Two-Variable System in a Group