   Several paradoxes are associated with Ibn Kammūna, and these continue to exercise Iranian thinkers down to the present. These are discussed in the final section of this entry.  He has also left us some minor writings and correspondence; some pieces of a medical writings have also been recovered (see Pourjavady &amp; Schmidtke 2006 for bibliography; medical fragments published, translated, and analyzed in Langermann 2007, 14–19).