counterexample

UK
/ˌkaʊntərɪɡˈzæmpl/
US
/ˌkaʊntərɪɡˈzæmpl/
counterexamplenoun
counterexamples
pl
UK
/ˌkaʊntərɪɡˈzæmpl/
US
/ˌkaʊntərɪɡˈzæmpl/
Translations
The mathematician provided a counterexample to disprove the theorem.
Математик привел контрпример, чтобы опровергнуть теорему.
Definitions
An example that refutes or disproves a proposition or theory.
The mathematician provided a counterexample to the theorem, showing that it was not universally true.