Watch video (Levi-cevita symbol) Proving that the divergence of a curl and the curl of a gradient are zero online without registration, duration 08 minute 24 second in high sd quality. This video was added by user Andrew Nicoll 16 September 2017, don't forget to share it with your friends and acquaintances, it has been viewed on our site 26 thousand once and liked it 314 people.