| Ad extirpanda Latin for 'To eradicate' Papal bull of Pope Innocent IV | |
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| Signature date | 15 May 1252 |
| Subject | On the use of torture against heretics |
Ad extirpanda ("To eradicate"; named for its Latin incipit) was a papal bull promulgated on Wednesday, May 15, 1252 by Pope Innocent IV which authorized under defined circumstances the use of torture by the Inquisition as a tool for interrogation.[1][2]
- ^ Pope Innocent IV (May 15, 1252). "Bulla 'Ad_Extirpanda' [AD 1252-05-15]" (PDF). Documenta Catholica Omnia.
- ^ Bishop, Jordan (May 2006). "Aquinas on Torture". New Blackfriars. 87 (1009): 229–237. doi:10.1111/j.0028-4289.2006.00142.x. ISSN 0028-4289.