In this task, you will be shown a sentence, and you should determine whether it is overruling or non-overruling. In law, an overruling sentence is a statement that nullifies a previous case decision as a precedent by a constitutionally valid statute or a decision by the same or higher ranking court which establishes a different rule on the point of law involved. Classify your answers into overruling or non-overruling
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Question: ""a district court may, however, permit discovery in a habeas proceeding if the 'petitioner presents specific allegations showing reason to believe that the facts, if fully developed, may lead the district court to believe that federal habeas relief is appropriate.'""

Answer: non-overruling


Question: both anderson, supra, and page, supra, are now expressly overruled.

Answer: overruling


Question: we therefore overrule mathis to the extent it adopted the presumption doctrine.

Answer:
overruling