ThmDex – An index of mathematical definitions, results, and conjectures.
Set of symbols
Alphabet
Deduction system
Theory
Zermelo-Fraenkel set theory
Set
Binary cartesian set product
Binary relation
Relation
N-ary relation
Definition D5494
Set of N-ary relations
Results
Number of N-ary relations on a finite cartesian product
Number of N-ary relations on a finite set