A proof of the butterfly theorem using Ceva's theorem - Cesare Donolato A proof is given of the butterfly theorem by using a simple auxiliary construction and Ceva's theorem. ✪ ✪ ✪ ✪ ✪ Hidden Content: **Hidden Content: Content of this hidden block can only be seen by members of (usergroups: V.I.P Downloader).** Theo LTTK Education