Cornelii Iansenii Episcopi Iprensis Augustinus. Tomus primus In quo haereses & mores Pelagii contra naturae humanae sanitatem, aegritudinem & medicinam ex S. Augustino recensentur ac refutantur. Cum duplici indice Rerum et S. Scripturae.
The Roman Catholic Church condemned his heretical theological principles, which emphasize predestination, deny free will, and maintain incapacity of human nature for good.