
Counterexample - Wikipedia
A counterexample is a specific example that contradicts a claim, hypothesis, or generalization. In logic a counterexample disproves a universally stated claim, and does so rigorously in the fields of …
COUNTEREXAMPLE Definition & Meaning - Merriam-Webster
Jun 16, 2026 · The meaning of COUNTEREXAMPLE is an example that refutes or disproves a proposition or theory.
What Is a Counterexample? Clear Definition & Real‑World Examples
A counterexample gives us the answer: it shows exactly where a general statement fails. This guide will walk you through what a counterexample is, why it matters, and how to spot or create one in …
Counterexample – Explanation and Examples - The Story of …
Counterexample – Explanation and Examples A counterexample is a specific example for which a statement is untrue. The existence counterexample proves the statement is false, even if it is often, …
Counterexample - Cuemath
A counterexample is an example in which the condition is true, but the conclusion is false. If you can find a counterexample to a conditional statement, then that conditional statement is false.
11 Examples of a Counterexample - Simplicable
Nov 14, 2023 · A counterexample is a specific example that contradicts a general statement or hypothesis. This is used to disprove statements in logic, rational thought and debate. As such, …
Counterexample Definition (Illustrated Mathematics Dictionary)
Illustrated definition of Counterexample: An example that disproves a statement (shows that it is false). Example: the statement all dogs are hairy...
Proof by Counterexample - University of Texas at Austin
There is exactly one counterexample that shows that [1] is false. There are exactly two counterexamples, either of which would suffice to show that [1] is false.
Counterexample - from Wolfram MathWorld
Jun 13, 2026 · A counterexample is a form of counter proof. Given a hypothesis stating that F(x) is true for all x in S, show that there exists a b in S such that F(b) is false, contradicting the hypothesis.
Counterexample | The Everyday Philosopher's Guide
Counterexample refers to a specific example that disproves a general claim or argument. In other words, it is an instance that goes against a rule or pattern, demonstrating that the claim or argument is not …