  This reconstruction of the Vaiśeṣika system is not quite satisfactory, for it relies on an unexplained and perhaps question-begging distinction between stationary and evanescent properties, and leaves two of the categories completely unaccounted for. Another reconstruction (also deficient) is offered by Potter (1977). When we look at The Manual of Reason’s own definitions of the individual categories, it seems to be following this approach. The Manual of Reason’s definitions are as follows: