prosyllogismus

prosyllogismus [προσυλλογισμός] , syllogism of which the conclusion forms the major or minor premise of another syllogism, prosyllogism. cum probatur major ~i Duns Ord. II 280; cum probatur per alium ~um ‥, dico quod major istius ~i falsa est, si ‥ Ib. III 196; major hujus ~i probatur, quia si ‥ Ockham Quodl. 756.