w what you mean by these objects having 4D attributes.
Please could you give some examples of what you mean. 

GH3&gt;	What you are calling classes are not "emotions, sensations,
opinions, knowledge, but rather types of emotions, sensations, opinions,
knowledge. If I know Einstein's general law of relativity, then that is a
particular knowledge I have. I may loose this through forgetfulness, so the
knowledge is 4-D. However the type of knowledge is, in this case
theoretical, and that is timeless, and indeed