lank November 20, 2013 at 1:19 am not strictly true. the RHS should be (:)^n, where n is the number of pages stapled. also, it’s perhaps worth noting that the two functions don’t commute… (but otherwise cute!)

lanknot strictly true. the RHS should be (:)^n, where n is the number of pages stapled. also, it’s perhaps worth noting that the two functions don’t commute…

(but otherwise cute!)