that is to say, if theoretically a thing made strictly no difference to any other entity (i.e. it was not related to any other entity), it could not be said to really exist.
In Whitehead's thinking, what could be said about something that has no effect on any other person or object?
if theoretically a thing made strictly no difference to any other entity (i.e. it was not related to any other entity), it could not be said to really exist