According to Baidu Education, three arts were the educational content in ancient Greece. What do these three arts mean? A: Four books. B. grammar C. rhetoric D. dialectics. E. The correct choice of The Analects is B. Grammar. C. rhetoric. D. dialectics. The western "seven arts" are called "seven arts of freedom", which means all the knowledge that a free man should possess. "Seven Arts" are seven courses in western European schools in the early Middle Ages: grammar, rhetoric, logic, arithmetic, geometry, astronomy and music. According to textual research, "Seven Arts Education" was first put forward by Plato. Later, some people designated the first three subjects of "Seven Arts" as primary subjects, called "Three Learning", and the last four subjects as advanced subjects, called "Four Skills". The "three arts" in ancient Greece refers to the "three studies" in the "seven arts", namely grammar, rhetoric and logic (dialectics). So the answer to this question is BCD.