ions for an empirically verifiable formal model to successfully represent
    our experience.  An important aspect of the Hertz's statement, emphasized by the
    diagram, is that the horizontal lines represent the observer's (or agent's) semantic
    interaction with the world (i.e., detection, pattern recognition, observation, measurement),
    the right vertical column represents the syntactic or formal (usually sequential) manipulations
    of the observer, and the left vertical column represents the pa