noun
- An example that disproves or refutes a claim, hypothesis, or general rule; a case that shows an assertion is false.
Usage: Plural form of counterexample.; Commonly used in mathematics, logic, and philosophy.
Examples
- The student provided counterexamples to show that the teacher's rule did not always apply.
- In mathematics, counterexamples are essential for disproving false theorems.
- She found several counterexamples that challenged the original hypothesis.
- The lawyer presented counterexamples to undermine the prosecution's argument.
- Counterexamples help scientists refine their theories and understand their limitations.
- By listing counterexamples, the philosopher demonstrated the flaw in the argument.