signed to these
two Classes "

The x'-Class similarly divided "

The South-West and South-East Cells similarly assigned "

The West and East Halves have thus been assigned to
'the y-Class' and 'the y'-Class' 24

=Table I.= Attributes of Classes, and Compartments, or
Cells, assigned to them 25

pg-xx
CHAPTER II.

_COUNTERS._

Meaning of a Red Counter placed in a Cell 26

" " " " on a Partition "

American phrase "=sitting on the fence=" "

Meaning of a Grey Counter placed in a Cell "

CHAPTER III.

_REPRESENTATION OF PROPOSITIONS._

Sec. 1.

_Introductory._

The word "Things" to be henceforwards omitted 27

'=Uniliteral=' Proposition "

'=Biliteral=' do. "

Proposition '=in terms of=' certain Letters "

Sec. 2.

_Representation of Propositions of Existence._

The Proposition "Some x exist" 28

Three other similar Propositions "

The Proposition "No x exist" "

Three other similar Propositions 29

The Proposition "Some xy exist" "

Three other similar Propositions "

The Proposition "No xy exist" "

Three other similar Propositions "

The Proposition "No x exist" is _Double_, and is equivalent
to the two Propositions "No xy exist" and "No xy' exist" 30

pg-xxi
Sec. 3.

_Representation of Propositions of Relations._

The Proposition "Some x are y" "

Three other similar Propositions "

The Proposition "Some y are x" 31

Three other similar Propositions "

Trio of equivalent Propositions, viz.
"Some xy exist" = "Some x are y" = "Some y are x"