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Simple English definitions for legal terms
Quod erat demonstrandum
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A quick definition of Quod erat demonstrandum:
Term: Quod erat demonstrandum
Definition: Quod erat demonstrandum is a Latin phrase that means "which was to be demonstrated." It is often abbreviated as Q.E.D. and is used at the end of a text to show that the author has proven their argument. It is like saying "I told you so" but in a more formal way.
A more thorough explanation:
Definition: Quod erat demonstrandum is a Latin phrase that means "which was to be demonstrated." It is often abbreviated as Q.E.D. and is used to indicate that the author has just proven their argument.
Illustrative caselaw: For example, in the case of Stupak-Thrall v. U.S., 89 F.3d 1269, 1299 (6th Cir. 1996), the court used the phrase Q.E.D. to indicate that they had just proven their argument.
Explanation: The phrase Q.E.D. is commonly used in academic writing, especially in mathematics and philosophy, to indicate that the author has just demonstrated or proven their argument. It is a way of saying "I have shown what I set out to show" or "I have proven my point." In the example of Stupak-Thrall v. U.S., the court used Q.E.D. to indicate that they had just proven their argument and that there was no further need for discussion or debate.