olemus
hulk A, mis on
üksüheses vastavuses hulgaga {1,2, ... n} ,
kus n on naturaalarv, seega hulga A elementide arv

ülevaateid
http://study.com/academy/lesson/finite-set-definition-lesson-quiz.html

http://www.math-only-math.com/finite-sets-and-infinite-sets.html

http://mathworld.wolfram.com/FiniteSet.html

https://arxiv.org/pdf/0809.0105.pdf

https://arxiv.org/pdf/1509.02747.pdf