proof of a conclusion by showing its negation to be self-contradictory; reductio ad absurdum
Compare direct (sense 17)
Examples of 'indirect proof' in a sentence
indirect proof
These results are an indirect proof of the index.
Jennyfer Insuasty Torres, Omar Danilo Sierra 2004, 'Aggressiveness index of Apis Mellifera (Hymenoptera: Aapidae)', Acta Biológica Colombianahttps://revistas.unal.edu.co/index.php/actabiol/article/view/27083. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In conclusion, sufficient indirect proof exists linking adenomyosis to infertility to warrant systematic clinical studies.
Sebastiano Campo, Vincenzo Campo, Giuseppe Benagiano 2012, 'Infertility and Adenomyosis', Obstetrics and Gynecology Internationalhttp://dx.doi.org/10.1155/2012/786132. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)