4 · Society, Civilization, Culture
49 · education, science and learning
49C · aspects of science in general
49C1 · the liberal arts, 'Artes Liberales'
49C11 · trivium (personification of Grammatica, Dialectica and Rhetorica)
49C112 ·
'Dialectica' (~ trivium); 'Dialettica' (Ripa)