quite useless, as there is no mark in the other compartment. If the other compartment happened to be 'empty' too, the Square would be 'empty': and, if it happened to be 'occupied', the Square would be 'occupied'. So, as we do not know which is the case, we can say nothing about this Square.
The other Square, the -Square, we know (as in the previous example) to be 'occupied'.
If, then, we transfer our marks to the smaller Diagram, we get merely this:—
which means, you know, "some are ."
These principles may be applied to all the other oblongs. For instance, to represent "all are " we should mark the right -hand upright oblong (the one that has the attribute ) thus:—
and, if we were told to interpret the lower half of the cupboard, marked as follows, with regard to and ,