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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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