Wittgenstein, Ludwig, and Alfonso Monsalve-Solórzano. “Ludwig Wittgenstein: Remarks on the Foundations of Mathematics. Part IV 1942-1944”. Estudios de Filosofía, no. 1 (February 1, 1990): 105–125. Accessed December 5, 2025. https://revistas.udea.edu.co/index.php/estudios_de_filosofia/article/view/339724.