Reflexive and relation
98630
For all $x,y\in\mathbb{R}$ define that $x\equiv y$ if $x^{2}=y^{2} $; prove $\equiv$ is an equivalence relation.
35577
relations - examples and counterexamples
114642
There is/are for multiple subjects
125316
How would you define the relation between (for example) "Italian" and "languages"?
109392
Causative construction
14877
Why is this relation not transitive?
31392
Examples and Counterexamples of Relations which Satisfy Certain Properties
156528
The gerund and its complementation
157993
The case of an object of a preposition
85338
Equivalence relations on classes instead of sets
101685
Singular noun objects of plural subjects
59727
Understanding equivalence class, equivalence relation, partition
140335
Prove that the empty relation is Transitive, Symmetric but not Reflexive
136393
subject-verb agreement problem
1643
Number of reflexive relations defined on a set A with n elements
156178
Do counit-unit adjunctions have the expected universal properties?
17935
Can a relation with less than 3 elements be considered transitive?