“…It pays particular attention to the Metalogicon, but it draws upon a variety of other sources as well in arguing that John did not in fact study the Ars nova with any care, and that he probably never read the most important text, the Posterior Analytics, in its entirety…”

“…Known fragments and new technology, new discoveries and traditional methodology alternate in this collection of essays, whose topics range from plainchant to ars nova and fifteenth- to sixteenth-century polyphony…”