converse (subs.) Copy link Outline I. Intercourse1. congressus, ūs2. congressio = congressusII. In logic • converse (subs.): I. Intercourse: 1. congressus, ūs: familiar c., c. familiaris, Cic.: v. society, intercourse. 2. congressio = congressus: Cic.: v. company, conversation. II. In logic: expr. by Quint. by the word retrorsum, thus in some propositions the c. is also true, quaedam et retrorsum idem valent, 5, 9, 6: also, of other the c. is not true, quaedam in contrarium non recurrunt, ib. As logical t. t.: *conversus: Aldr.