What is a syllogism in which the proof of the major or minor premise, or both, is introduced with the premises themselves, and the conclusion is derived in the ordinary manner. [Written also epicheirema.] called?

epichirema — A syllogism in which the proof of the major or minor premise, or both, is introduced with the premises themselves, and the conclusion is derived in the ordinary manner. [Written also epicheirema.]. (Webster's 1913.)