Here is a stab in the dark: These types of declaratives have two negatives side by side (e.g., "not lose", "can't lose"), making them into a positive. They're

Here is a stab in the dark: These types of declaratives have two negatives side by side (e.g., "not lose", "can't lose"), making them into a positive. They're somewhat similar to rhetorical questions which have assertions embedded in them in the form of a negative question. From the Wikipedia article, "What have the Romans ever done for us?..." (What...ever...?) "...should be read as The Romans have never done anything for us"... (where a negative is surrounded by a verb). http://en.wikipedia.org/wiki/Rhetorical_question#Negative_assertions http://en.wikipedia.org/wiki/Rhetorical_question#Negative_as... What do people think of this? I'm not entirely familiar with naive Bayes classifier.