Chapter 3, Video 5: Truth Tree Strategies

[@musliyuilupeju4750]

Sir in 8:06 all branches closed, but subsequent once of the same question one was an open branch.

[@FormalLogic]

There are two different sets, each with two trees. One at 8:06 / 9:04 where each tree closes. A different set at 9:38 /10:59, each tree has rightmost branch open. I believe that each pair of trees is correct for the set they are testing. But let me know if I am mistaken.