Given a finite set $A$, is there a way to quantify the number of transitive relations over $A$?
57954
How many transitive relations on a set of $n$ elements?
137921
Reflexivity, Transitivity, Symmertry of the square of an relation
1627
Cartesian product of an arbitrary number of sets
24212
proving how many permutations exist.
140335
Prove that the empty relation is Transitive, Symmetric but not Reflexive
40566
Counting surjective functions
118595
Proving that a set is countable by finding a bijection
18343
Counting homomorphisms between $\Bbb Z$ and $\Bbb Z_n$ and also between $\Bbb Z_n$ and $\Bbb Q$
27273
Count the number of topological sorts for poset (A|)?
72750
Uncountable number of mutually disjoint countable sets in $\mathbb R$
61
Calculating the total number of surjective functions
116501
How to show equinumerosity of  the powerset of $A$ and the set of functions from $A$ to $\{0,1\}$ without cardinal arithmetic?
122839
how many different equivalence relations
101993
The cardinality of a language over a set of variables $V$ with $\#V= κ$
57822
Number of ways to choose two disjoint subsets of a set
56512
Divisibility is transitive: $\ a\mid b\mid c\,\Rightarrow\ a\mid c$
117479
Mutual set of representatives for left and right cosets: what about infinite groups?