It cannot be perfect, since REC's are model-theoretic
and SEC's are proof-theoretic.

&gt; &gt; Since Peirce uses the term "proposition", unless he has in mind
&gt; &gt; a design to play it equivocally, for the "syntactic expression",
&gt; &gt; or the "sentence" as we more often prefer to say, then
&gt; 
&gt; What do you mean by "we", Kimosabe? -- as Tonto said
&gt; to the Lone Ranger when they were surrounded by Indians.

Well, he only said that because a comic book writer used a phonetic
spelling for "¿q