Resumen:
This is a study of the real distinction between "spirit" and "soul" in man according to Leonardo Polo, which is equivalent to the real distinction between actus essendi-essentia; additionally, it is equivalent to the classic distinction between "person" and "immaterial human nature", or the modern distinction between "being" and the superior human "having". It points to the environs of the human personal "act of being" and the "having" or essence of man.