I’m writing a paper. In it, I have the following sentence.
The ________ principle has two discrepancies.
Stated or mentioned before; aforementioned.
The definition of “aforementioned” is
Previously mentioned, esp. in a text.
Are their meanings different? When should I use which?
They make you sound like a lawyer, and I wouldn’t use either. Try The principle (I have) already mentioned or The principle referred to above.