The revocation of judgments of the Court of Cassation for error of fact, pursuant to Article 395, No. 4 of the Code of Civil Procedure, cannot concern the interpretative and evaluative activity regarding the grounds of appeal and must consist in the erroneous perception of the facts of the case which has induced the supposition of the existence or non-existence of a fact whose truth is incontestably excluded or established by the case documents, with the characteristics of absolute evidence and immediate ascertainability.