Quote Originally Posted by it-ogo View Post
How can we know?
I think that perhaps the translation would be: 'Pronouns indicating the "non-existence" of something sometimes existing (не-)' in front of 'pronouns indicating the absence at all (ни-)', but I'm not sure.
The other classification seen is: pronouns beginnin in не- in front of pronouns beginning in ни-, what is like dividing men in tall, middle-size and short .