The rule applies, however, only where the purpose for giving the evidence is to prove the truth of the facts contained in such statements. It does not prevent evidence being given if the purpose is to establish that a statement was made - for example, the statement complained of in a defamation case. Parol evidence rule. This rule prevents the parties to a written agreement, who intended that it should be the sole record of their agreement, presenting other evidence to the court in an attempt to alter, or add to, or contradict that written agreement. These are conclusions or inferences that are drawn by the court from known facts.
Evidence is probative of a fact when it tends to prove that fact.
When a decision has been given in a case, the subject matter of that case cannot be raised again in a later case between the same parties. This is the inspection by the court of the place where the events in question in the trial took place.