Don Fallis also holds that it is possible to lie without intending to deceive. He has also defended the assertion condition for lying: “you lie when you assert something that you believe to be false” (Fallis 2009, 33). He has held that you assert something when you you make a statement and you believe that you are in a situation in which the Gricean norm of conversation, ‘Do not say what you believe to be false,’ is in effect. His definition of lying was thus as follows: