An ancient logic (2007; rev. March 23, 2016)

Adrian Rezus, `An Ancient Logic' (2007; last rev. March 23, 2016), [preprint] equivalences, Nijmegen 2016 [ii + 46 pp.][ From the introductory part: ] ``[...] [A] set of remarks on the conceptual structure of the [quantifier-free segment of the] logic of Chrysippus of Soli (cca 279 --  cca 206), written from the point of view of modern proof-theory. [...] The main claim [...] consists of saying that Chrysippus' logic was what we call, nowadays, `classical' logic. [...] The paper consists of a condensed summary of previous work (`Proof Structures in Traditional Logic' [1994--2007]; [section] `An Ancient Logic' [2007]). The full talk, bearing the working title `Chrysippus and His Modern Readers' -- half-stolen, mutatis mutandis, from Charles Lutwidge Dodgson (1832--1898), aka Lewis Carroll (cf. `Euclid and His Modern Rivals', London 1879 [2nd ed. 1885]) --, announced a while ago, is in draft-stage. [...]''