For 10 points, name this early twelfth century author of the Sentences.
This man used the term "signa beneplaciti" to refer to the voluntary will of God, which he separated from the "absolute uncaused will" that cannot be countermanded. This man was attacked for his doctrine of the "com- mon substance," which Joachim of Fiore said made a "quaternity" out of the trinity. This man, whose list of seven sacraments became authoritative, wrote a text in four books that discuss God, angels, Christ, and the sacraments. This man was put on trial at the Fourth Lateran Council but was vindicated, allowing his major text to become the standard textbook at the University of Paris. For 10 points, name this early twelfth century author of the Sentences.
This man used the term "signa beneplaciti" to refer to the voluntary will of God, which he separated from the "absolute uncaused will" that cannot be countermanded.
Peter Lombard