contrary instance
[/ˈkɒntrəri ˈɪnstəns/]
nounpl: contrary instances
instância contrária; caso contrário
1. An example or case that contradicts or opposes a given statement, rule, or principle; a counterexample
The scientist presented a contrary instance that challenged the prevailing theory.
O cientista apresentou uma instância contrária que desafiava a teoria predominante.
2. In logic and argumentation, an example that disproves or negates a general claim
One contrary instance is sufficient to refute a universal statement.
Uma instância contrária é suficiente para refutar uma afirmação universal.
Related Idioms & Phrases
to provide a contrary instance
a contrary instance to the rule
prove by contrary instance
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