Time not an entity like space, but only a property of entities A The duration of changes and of transient and minor objects measured in the duration of great and per manent objects A Space and time related to each other as entity and property A This relation accounts wholly for the application to both of the same terms A Modes of time Time a universal property. Is both subjective and objective A Objective time known only by means of subjective time The thought and measurement of time that precedes and follows personal experience, and of great periods of time A The bounds of a duration, like those of a space, propel thought beyond themselves The elementary materials of all time-knowledge are not themselves timeless, but temporal Measurement of time A Time originally measured by subjective changes Employment of objective measurers A Absolute meas urement of time A The notion of time a singular, not a general notion A Cognition of number.