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"
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