Kata Kunci Pencarian:
- Kurt Gödel
- Teori himpunan
- Himpunan (matematika)
- Bilangan ordinal
- Bilangan kardinal
- Elemen (matematika)
- Irisan (teori himpunan)
- Himpunan kuasa
- Himpunan kosong
- Beda setangkup
- Von Neumann–Bernays–Gödel set theory
- Zermelo–Fraenkel set theory
- Class (set theory)
- Von Neumann universe
- Zermelo set theory
- Set theory
- Universal set
- List of alternative set theories
- Paul Bernays
- Morse–Kelley set theory