Not THE cause: Understand necessary and sufficient conditions

Why stolen goods markets are, like a match for fire, not a necessary & sufficient condition to be THE cause of theft https://t.co/EtrSBcCdMM pic.twitter.com/KO0UAetkOV

— Dr Mike Sutton (@Criminotweet) May 28, 2017

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https://t.co/vy1wcjDoTz

— Supermythbuster (@supermyths) May 28, 2017