Ars Brevis, Ramon Lull

Ramon Lull’s Ars Brevis is an abridged version of his Ars Generalis Ultima, a medieval treatise describing a mnemonic system that also serves as a means for deducing new information from methodological recombinations of memorized material. The manuscript of the Ars Brevis is housed at Biblioteca El Escorial, Madrid, Ms. f.IV.12.