Representation of 'Dialectic' in the Room of the Liberal Arts.These represent a celebration of knowledge in its different specialisations; and are allegorically depicted as attractive women seated on thrones: the names engraved on the base identify the Arts of the Trivium; or rather Grammar; Dialectic; Rhetoric; and those of the Quadrivium : Geometry; Arithmetic; Music and Astronomy.- Frescoes by Il Pinturicchio (Bernardino di Betto) and his workshop.Executed between 1492 and 1494.- In the Room of the Liberal Arts (Sala delle Arti Liberali; Salle des Arts lib閞aux; Saal der freien Kunste) in the Borgia Apartments (Appartamento Borgia; Appartements Borgia; Borgia-Gemacher) in the Apostolic Palace; Vatican.Vatican Museums. 2021.