"
| | |
.-------.

And of seven other similar arrangements 38

=BOOK IV.=

=THE TRILITERAL DIAGRAM.=

CHAPTER I.

_SYMBOLS AND CELLS._

Change of Biliteral into Triliteral Diagram 39

The xy-Class subdivided into 'the xym-Class' and
'the xym'-Class' 40
pg-xxiii
The Inner and Outer Cells of the North-West Quarter
assigned to these Classes "

The xy'-Class, the x'y-Class, and the
x'y'-Class similarly subdivided "

The Inner and Outer Cells of the North-East, the South-West,
and the South-East Quarter similarly assigned "

The Inner Square and the Outer Border have thus been assigned
to 'the m-Class' and 'the _m'_-Class' "

Rules for finding readily the Compartment, or Cell,
assigned to any given Attribute or Attributes "

=Table IV.= Attributes of Classes, and Compartments,
or Cells, assigned to them 42

CHAPTER II.

_REPRESENTATION OF PROPOSITIONS IN TERMS
OF x AND m, OR OF y AND m._

Sec. 1.

_Representation of Propositions of Existence in terms
of x and m, or of y and m._

The Proposition "Some xm exist" 43

Seven other similar Propositions "

The Proposition "No xm exist" 44

Seven other similar Propositions "

Sec. 2.

_Representation of Propositions of Relation in terms
of x and m, or of y and m._

The Pair of Converse Propositions
"Some x are m" = "Some m are x" "

Seven other similar Pairs "

The Pair of Converse Propositions
"No x are m" = "No m are x" "

Seven other similar Pairs "

The Proposition "All x are m" 45

Fifteen other similar Propositions "

=Tables V, VI, VII, VIII.= Representations of
Propositions in terms of x and m, or of
y and m 46 to 49