- [[notes/Galileo's paradox.md|Galileo's paradox]] (2026-06-14) - [[notes/Class privilege.md|Class privilege]] (2026-06-14) - [[notes/Zdzisław Beksiński.md|Zdzisław Beksiński]] (2026-06-13) - [[notes/Triangular numbers.md|Triangular numbers]] (2026-06-13) - [[notes/Basel problem.md|Basel problem]] (2026-06-11)