nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjd874v63430gng67kpw5m597f34dr9vr0yhkp8dkmnma8208raysyd6kk0 (nprofile…6kk0)
Since 0 can be confusing, it's good to point it out as a special case. This intuition among authors is sound. But it should be a theorem[*], not a definition.
[*] Probably not a numbered Theorem, just a Remark or an Example. But logically a theorem.