It seems you are looking for a PDF of the Spanish translation (by Pedro Ribas) of Kant’s Critique of Pure Reason ( Crítica de la razón pura ), published by , specifically related to tomo/volume 13 of their collection.
The query appears to be a specific aimed at finding a digital copy of Immanuel Kant's Crítica de la razón pura critica+de+la+razon+pura+gredos+pdf+13
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: Kant explores the conditions of possibility for human knowledge, arguing that while our knowledge begins with experience, it does not all arise from it. A Priori vs. A Posteriori : Kant explores the conditions of possibility for