Bill! That's lovely information! Thanks. So, now we have a THIRD meaning for the pons asinorum; one that is the 16th century equivalent of Cliffs notes.

Your mention of Occam's razor reminds me of another such principle called Morgan's Canon. It is a similar kind of reductionism that is used in studies of cognition and animal behaviour. Cautions against ascribing higher mental capability to an animal's response, when the same behaviour could be explained more simply.