Identicality

A Current_instance of a certain Type is under discussion. This instance is evaluated as being the same instance or a different instance from a Previous_instance encountered in a Previous_context. Kim has a different hair color every week Kim has a different hair color every week Is this the same sofa as the one that used to be in the lobby? Is this the same sofa as the one that used to be in the lobby? Dracula and your neighbor are different people Dracula and your neighbor are different people