You're right about the contrapositive, but wrong about its meaning in this context. OP said: polite => not exist. I said: exist => not polite (the contrapositi

You're right about the contrapositive, but wrong about its meaning in this context. OP said: polite => not exist. I said: exist => not polite (the contrapositive). Thus this very well involves potentially intruding on other people's space :)