E2P41
Proposition — Part II
Latin
Cognitio primi generis unica est falsitatis causa, secundi autem et tertii est necessario vera.
English (Elwes 1883)
Knowledge of the first kind is the only source of falsity, knowledge of the second and third kinds is necessarily true.
Modern English
Knowledge of the first kind is the only cause of falsity; knowledge of the second and third kinds is necessarily true.