fallacy Copy link Outline 1. captio, ōnis, f. (a catch, sophism)2. vĭtium (a flaw in the argument) • fallacy: 1. captio, ōnis, f. (a catch, sophism): to explode f.s, captiones discutere, Cic.: all f.s of that kind are refuted in the same manner, omnes captiones istius generis eodem modo refelluntur, Cic.: to expose a f., captionem explicare, Cic. 2. vĭtium (a flaw in the argument): there is a f. in the argument, vitium est in argumento, Cic. Phr.: the argument is an entire f., omnino totum falsum est argumentum, Cic.