We have seen that Bealer thinks that a rational intuition is a modal seeming: either a seeming to be true and necessarily true, or a seeming to be possible. In other places Russell (2017: 232) defines an a priori intuition as the psychological state people are in when some proposition seems true to them solely on the basis of their understanding that proposition. This definition of an a priori intuition allows us to distinguish between what Bealer called a physical intuition that a house undermi