Reflexive property of relations?
9066
Whats the difference between Antisymmetric and reflexive? (Set Theory/Discrete math)
104977
How to calculate equivalence relations
85852
How many total order relations on a set $A$?
101741
Selection of logical connectives {¬,∨,∧,⇒,⇔} in set theory?
130771
Sets and the principle of inclusion and exclusion
98518
Cardinality of equivalence relations on N
16687
Number of Equivalence relations of $\{1,2,3\}$
109159
What's the intuition behind $(\exists y)(\mathscr{C}(y)\supset\mathscr{D})\supset((\forall x)\mathscr{C}(x)\supset\mathscr{D})$
127795
$L^1(μ)$ is finite dimensional if it is reflexive
42835
Example of a relation that is symmetric and transitive, but not reflexive
3465
Equivalence relations and power sets.
133934
"Reflexive only" verbs
143646
Is it possible to prove reflexive, symmetric and transitive properties of equality and the transitive property of inequality?
125174
Combinatorial intuition of identity
79223
Doesn't symmetry and transitivity imply reflexitivity?
65308
Axiom of Choice: Family of non-empty sets mutually disjoint or not?
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.