Post #15 821 Aug 12, 2026, 19:44 UTC https://arxiv.org/abs/0810.1279Майк Шульман — Теория множеств для нужд теории категорий: Теория множеств Фефермана, её сильный и слабый варианты arXiv.org Set theory for category theory Questions of set-theoretic size play an essential role in category theory, especially the distinction between sets and proper classes (or small sets and large sets). There are many different ways... 👍 8