It supplied not only a memoria technica, but an organon, or method by which the genesis of all ideas from unity might be represented intelligibly and easily.
Revard (Paris, 1816); Delambre, Traite de l'astronomie theorique et pratique, tome iii.; Histoire de l'astronomie moderne; Methodus technica brevis, perfacilis, ac perpetua construendi Calendarium Ecclesiasticum, Stylo tam novo quam vetere, pro cunctis Christianis Europae populis, F&c., auctore Paulo Tittel (GÃ¶ttingen, 1816); Formole analitsche pel 1 If Saturday, substitute Sunday immediately following.
They were catchwords, as it were, memoria technica, which could easily be remembered, and would recall the fuller expositions that had been based upon them.
Ricci was himself a great expert in memoria technica, and astonished the Chinese by his performances in this line.