 More traditional problems related with truth have also been treated by the philosophers of logic of the region (e.g., Barrio and Rodríguez-Pereyra 2015; Barrio and Da Ré 2018a). In particular, Mario Gómez-Torrente (1998, 2000, 2002, 2008, 2006 [2019]) developed a longstanding work on the notion of logical truth, truth-preservation, and the relationships among logical truth, derivability, and model-theoretic validity.