(1901) is the best-known of Frassen's writings. The 1913
Catholic Encyclopedia praises its "simplicity of style", "clearness of method", and "subtleness of thought". The work gives a scholarly presentation of the theology of
Duns Scotus, interspersed by frequent quotations from the
Church Fathers; it also presents a list of controversial issues in
scholastic theology. The first volume is prefaced with a chronological list and a brief historical and dogmatical account of the different heresies from the beginnings of Christianity to the fifteenth century. The edition of the published by the Friars Minor (Rome, 1900–02, in twelve volumes) was prepared from notes left by the author himself and preserved in the of Paris. Earlier editions were those of Paris (1672–77), Rome (1721), Venice (1744). Other works by Frassen include: • (1786) • , Paris (1688), Venice (1767) • , volume I, Paris (1682). • , volume II, Rouen (1705) ==References==