ach object, are shown in the Table.

&gt; You propose:
&gt; &gt; A sign relation L_j is a subset of a cartesian product O_j x S_j x I_j,
&gt; &gt; where O_j, S_j, I_j are its designated Object, Sign, Interpretant Domains,
&gt; &gt; respectively.
&gt; 
&gt; I do not understand the meaning of the term &quot;Cartesian Product&quot; under
&gt; these circumstances.

The &quot;cartesian product&quot; of k sets X_1, ..., X_k, written X_1 x ... x X_k,
is the set of all k-tuples of the form &lt;x_1, ..., x_k&gt; tha