sentences:  (Venice, 1736, 1745), in which be refuted the opinion, then recently adopted by the Bollandists, that St. Dominic had borrowed his ideas and form of religious poverty from St. Francis of Assisi.While engaged in the sharp controversy aroused by this work, he entered into another concerning the Lenten fast, which was not closed until Benedict XIV issued on 30 May 1741 the Encyclical "Non ambigimus" which was favourable to Concina's contention.Shortly afterwards he published his "Storia del probabilismo e rigorismo" (1743), a work composed of theological, moral and critical dissertations.