This work claims that a just cause, rightful intention, and sovereign authority are the three major things necessary for a war to be just, and Ulpian is cited in this work as "The Legal Expert".  
This work claims that a just cause, rightful intention, and sovereign authority are the three major things necessary for a war to be just, and Ulpian is cited in this work as "The Legal Expert".  Another section of this work discusses drunkenness and concludes that it is not a sin because every sin is voluntary, but drunkenness is not voluntary.  The Islamic scholar al-Ghazali is cited in this work in saying that it is "impossible for an actually infinite multitude to exist absolutely" and is called "Algazel", while Aristotle is referred to in this work simply as "The Philosopher".  For 10 points—name this work, which seeks to be a better compilation of Catholic doctrine than the author's earlier Summa Contra Gentiles, a work by Thomas Aquinas.
This work claims that a just cause, rightful intention, and sovereign authority are the three major things necessary for a war to be just, and Ulpian is cited in this work as "The Legal Expert".  
Summa {Theologica}