I've never learned what contrapositive meant. Thank you for your casual use of it -- it inspired me to learn the concept. What a useful word! The contrapositiv

I've never learned what contrapositive meant. Thank you for your casual use of it -- it inspired me to learn the concept. What a useful word! The contrapositive in this case being: "Not being cool means you do not smoke pot", which as you explain seems like a reasonable assertion.