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An example that refutes or disproves a hypothesis, proposition, or theorem.


an example or fact that is inconsistent with a hypothesis and may be used in argument against it


(ˈkaʊn tər ɪgˌzæm pəl, -ˌzɑm-)

an example that refutes an assertion or claim.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.counterexample - refutation by example
disproof, falsification, refutation - any evidence that helps to establish the falsity of something


[ˈkaʊntərɪgˌzɑːmpl] Ncontraejemplo m
References in periodicals archive ?
10) I think, I have shown that the alleged counterexamples to (F) are far from being knocked out cases.
In this paper we find some counterexamples to the conjecture, thus disprove it.
Ecologic studies--biases, misconceptions, and counterexamples.
Hurd notes that there are counterexamples which demonstrate that consequentialism could require punishment of the innocent, particularly in cases where a person's disobedience leads to punishment, which, in turn, leads to the best consequences.
Precisely, counterexamples are cases in which statements have an intuitively different truth value from that assigned by the analysis.
Even if he could, he would be left with countless other counterexamples with consequents like "no one will ever find out": all we need, to construct one, is a proposition whose truth value is unlikely to be discovered.
But, despite all misgivings and counterexamples, almost every major twentieth-century figure (and the large majority of workaday professional philosophers) can be quite readily placed in one or the other camp.
The history of modern warfare is replete with counterexamples to Tom Clancy's vision.
Further enriched with new examples and counterexamples from the latest research as well as added coverage of relevant topics, this new edition of the benchmark book addresses popular mistakes often made in data collection and provides an indispensable guide to accurate statistical analysis and reporting.
It argues that Davidson's counterexamples are tacit appeals to an argument, on which knowledge can't be essential to doing something intentionally, because some things that can be done intentionally require knowledge of future successes, and because such knowledge can't ever be guaranteed when someone is doing something intentionally.