Giovanni Scarafile DOI: 10.6084/m9.figshare.30353536 Introduction «Ad evidentiam quaestionis oportet declarare quid nomine significetur» is a typical expression found in medieval scholastic treatises. It is an opening formula signaling the need to clarify the meaning of terms before beginning any discussion. … Continua a leggere Dialogue and Change. The Lesson of the Cow of Hochosterwitz