Nota Notae   

Nota Notae

Commens
Digital Companion to C. S. Peirce
Nota Notae
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1902 | Nota Notae | DPP 2:183; CP 2.590

Nota notae [Lat.] The logical principle Nota notae est nota rei ipsius, that is, the predicate of the predicate is the predicate of the subject, which is laid down in several places by Aristotle as the general principle of syllogism.

1908 | The Bed-Rock Beneath Pragmaticism | LI 385

…the principle that logicians call “the Nota notae,” that the sign of a sign of anything, X, is itself a sign of the very same X