Martin Gansten wrote:[I am sure you are right about Bezza et consortes using Placidus houses; but if so, they are definitely not doing 'pure' Ptolemaic astrology. Indeed, it would be quite difficult to do so, as Ptolemy is a most incomplete guide for a practising astrologer. Even Placidus had to fill in the lacunae with his 'Reason' (of a late-scholastic, Aristotelian kind).