Parra Paine, Sergio Rodrigo. “Combinatorial Possibility of Nothing: A Consequence for Inmanent Universals”. Revista de Humanidades de Valparaíso, no. 11 (July 31, 2018): 75–91. Accessed September 25, 2025. https://revistas.uv.cl/index.php/RHV/article/view/639.