The Yoneda Lemma

The Yoneda Lemma

• Yoneda lemma states that an object is fully determined by its hom‑functor relationships. • Yoneda embedding maps each object X to functor hom(-,X), fully faithful. • Morphisms f:

Mathematics · January 1, 2023 (updated February 24, 2026) · 1 min · 179 words