Ballroom dance has always been fluid, with new dances or folk dances being added to or removed from the ballroom repertoire from time to time, so no list of subcategories or dances is any more than a description of current practices. There are other dances historically accepted as ballroom dances, and are revived via the vintage dance movement. In Europe, Latin Swing dances include Argentine tango, mambo, Lindy Hop, swing boogie (sometimes also known as nostalgic boogie), and disco fox. One example of this is the subcategory of cajun dances that originated in Acadiana, with branches reaching both coasts of the United
Definitions (Plato) antiquity, no one else but Plato was named as the author, but the prevailing opinion was that the collection did not originate with him. It was not included in the tetralogical arrangement of Plato's works. The anonymous "Prolegomena to Platonic Philosophy," which is dated to late antiquity, designates Speusippus as the author. The earliest, surviving manuscript is from the ninth century CE. "Definitions" was unknown to the Latin-speaking, scholarly world of the Middle Ages and was first rediscovered by Renaissance humanists. In the fifteenth century, the humanist Marsilio Ficino believed the collection's author was Speusippus. Ficino translated "Definitions" into Latin