Kata Kunci Pencarian:
- Helena Rasiowa
- Daftar matematikawan Polandia
- Aljabar Heyting
- Helena Rasiowa
- Rasiowa–Sikorski lemma
- Warsaw School (mathematics)
- Roman Sikorski
- Martin's axiom
- Andrzej Mostowski
- List of lemmas
- Intuitionistic logic
- Algebraic logic
- List of logicians
