Geodesic
Contrary the logic
Matematičeskoe obrazovanie, no. 4 (2021), pp. 6-8 
B. L. Druzhinin. Contrary the logic. Matematičeskoe obrazovanie, no. 4 (2021), pp. 6-8. http://geodesic.mathdoc.fr/item/MO_2021_4_a2/
@article{MO_2021_4_a2,
     author = {B. L. Druzhinin},
     title = {Contrary the logic},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {6--8},
     year = {2021},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2021_4_a2/}
}
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AU  - B. L. Druzhinin
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JO  - Matematičeskoe obrazovanie
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IS  - 4
UR  - http://geodesic.mathdoc.fr/item/MO_2021_4_a2/
LA  - ru
ID  - MO_2021_4_a2
ER  - 
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%J Matematičeskoe obrazovanie
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%G ru
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Voir la notice de l'article provenant de la source Math-Net.Ru

The note shows how in a fairly simple probabilistic model the property of transitivity, which is familiar to ordinary logic, is violated.