Reference
- What is a Defined Term?
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Guidelines for Defined Terms from the Federal Register
- Letter from Epicurus to Herodotus
In the first place, Herodotus, you must understand what it is that words denote, in order that by reference to this we may be in a position to test opinions, inquiries, or problems, so that our proofs may not run on untested ad infinitum, nor the terms we use be empty of meaning. For the primary signification of every term employed must be clearly seen, and ought to need no proving; this being necessary, if we are to have something to which the point at issue or the problem or the opinion before us can be referred.
Epicurus (c.341-270 BC), Letter to Herodotus