WIERSZ O WARUNKACH DOBREJ SPOWIEDZI Z INKUNABUŁU BIBLIOTEKI DIECEZJALNEJ W SANDOMIERZU Z ZAGADNIEŃ ŚREDNIOWIECZNEJ MNEMOTECHNIKI

The article is devoted to the presentation of an unknown version of a verse about conditions of goodconfession, which comes from the late Middle Ages. It was discovered in an incunable from 1487 lo-cated in the Diocesan Library of Sandomierz. It is a manual of confession entitled Manipulus curatorumofficia sacerdotum secundum ordinem septem sacramentorum perbreviter complectens by Guido deMonte Rochen addressed to priests. The verse was written in Polish as a part of the treatise De confes-sione and belongs to penitentiary literature of the late Middle Ages. Translated from Latin into Polish,it is a mnemonic phrase—a subject to the rules of mnemonics—which lists 16 conditions of good con-fession. Guido de Monte Rochen’s manual played a crucial role in popularising Latin conditions of goodconfession