Ipse Dixit legal definition of Ipse Dixit
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[Latin, He himself said it.] An unsupported statement that rests solely on the authority of the individual who makes it.
A court decision, for example, that is in conflict with a particular statute might be said to have no legal support with the exception of the ipse dixit of the court.
(ip-sah-dicks-it) v. Latin for "he himself said it," meaning the only proof we have of the fact is that this person said it.
References in periodicals archive
The Daubert cases dismiss it contemptuously as ipse dixit, while Florida state courts must admit it without so much as an inquiry.
20) Lexis lists hundreds of hits to "mere ipse dixit," the mocking shorthand that courts use when they not only dismiss an expert's testimony for lack of scientific foundation but continue on to disparage the expert's testimony as well as to exclude it.
In rejecting an expert's conclusion that a defective ignition switch system caused a postcollision fire, a federal district judge in New York said that "without some explanation of the data, studies, or reasoning [the expert] employed, his conclusion is simply inadmissible ipse dixit