You know someone who likes to impress others with her knowledge of everything, although she has confessed to you that many times she makes up "facts" to win an argument. Now you should be aware that she violates Grice's maxim of

Question

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Grice's maxim of quality concerns truthfulness and accuracy in communication. By making up "facts," she violates this principle, which dictates not to say what you believe to be false or that for which you lack adequate evidence.  This maxim states that you should try to make what you say something that is true, rather than something that is false or based on no evidence.

You Know Someone Who Likes to Impress Others with Her