عنوان مقاله [English]
نویسنده [English]چکیده [English]
Add of legal and to be law of proof for present to judge, way achieve that must to form canonical or juridical and accordance to be with the law. The most important of proofs at prove one subject, specially an act criminal, sometimes at arrived to criteria and conditions forecasted unseen all of them are invalid. This subject especially at the stage research introduction is very full significance. Because without compliance principal legality at the way research of reason would to be evidence search put on the exposed invalid and nullity or that to measure one preoccupation and circumstantial evidence to unstable.