Ente y esencia 31 Materia óntica

Round-14 hunt: picked; source: deeper uploads from a strong round-10-12 channel; channel already live on Lumen; strict per-title check + final strict pass; title rules; oEmbed verified.

A 39-minute video from Martin Astacio, MPhil: “Ente y esencia 31 Materia óntica”.

Video by Martin Astacio, MPhil, played through YouTube's embedded player.