PAPAGEORGIOU, K. G.; LEKKAS, D. E. The predicate fabric of abstraction: the hard test of logical inversion. Epistēmēs Metron Logos, [S. l.], n. 2, p. 69–88, 2019. DOI: 10.12681/eml.20573. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/episteme/article/view/20573. Acesso em: 17 июл. 2024.