مفارقة الحلاق (Barber Paradox)

1- Schaaf W. Number game - Logical paradoxes [Internet]. Encyclopedia Britannica. 2017 [cited 20 October 2020]. Available from: هنا

2- Wilson D, Aitken K, Hayes S, Biglan A, Embry D. Evolving the future: Toward a science of intentional change David [Internet]. Cambridge University Press; 2014 [cited 20 October 2020]. Available from: هنا

3- Raclavský J. The Barber Paradox: on its Paradoxicality and its Relationship to Russell’s Paradox [Internet]. Masaryk University; 2018 [cited 20 October 2020]. Available from: هنا