Erroneous
Wrong, or of being wrong, or from of being of from wrong (or an error, if that makes more sense)
David:  so, you're like, an artificial program?

M4573R C0MPU73R: Indeed, I am.  I was created by the government to converse with interesting people such as yourself, so that I may improve upon current human knowledge of artificial intelligence.

David:  you mean you were created by the army to test the army's knowledge of a.i., right?

M4573R C0MPU73R:  Wrong!  You are mistaken!  Your logic is falable!  Erroneous!  Erroneous!  Erroneous!

David:  erroneous? isn't that, like, a greek god, or something?

M4573R C0MPU73R:  Wrong!  Erroneous!  Erroneous!