Brian Skinner@gravity_levity·Nov 11, 2018When you start screwing up contrapositives it's time to log off TwitterQuote TweetМакс Янков@GolerGkA·Nov 11, 2018Replying to @gravity_levityNo it's not. !A => B is not equivalent to !B => A34
Venkatesh Rao@vgrReplying to @gravity_levityNono that when it gets interesting!3:23 AM · Nov 11, 20181 Like